| Age group (years) . | Reference values for plasma phosphate (mmol/L) . | N . | Measured plasma phosphate (mmol/L) . | Calculated TmP/GFR (mmol/L) . | ||||
|---|---|---|---|---|---|---|---|---|
| 1–<3 | 1.38–2.19 | 11 | 1.63 (1.31–1.96) | 1.53 (1.13–1.92) | ||||
| 3–<5 | 1.38–2.19 | 74 | 1.58 (1.34–1.83) | 1.47 (1.19–1.74) | ||||
| 5–<7 | 1.33–1.92 | 231 | 1.54 (1.28–1.80) (b) | 1.42 (1.13–1.7) (a, b) | ||||
| 7–<9 | 1.33–1.92 | 226 | 1.52 (1.27–1.77) (a, b) | 1.40 (1.11–1.69) (a, b) | ||||
| 9–<11 | 1.33–1.92 | 202 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.67) (a, b) | ||||
| 11–<13 | 1.33–1.92 | 220 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.68) (a, b) | ||||
| Females | Males | Females | Males | Females | Males | Females | Males | |
| 13–<16 | 1.02–1.79 | 1.14–1.99 | 210 | 199 | 1.35 (1.00–1.70) (a, b, c, d, e, f) | 1.46 (1.12–1.80) (a, b, c, d, e, f, g, h, i, j, k, l, m) | 1.24 (0.87–1.60) (a, b, c, d, e, f) | 1.34 (0.98–1.69) (a, b, c, d, e, f, g, h, i, j, k, l, m) |
| 16–<19 | 0.95–1.62 | 0.95–1.62 | 146 | 192 | 1.24 (0.89–1.58) (a, b, c, d, e, f, g) | 1.30 (0.86–1.74) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) | 1.12 (0.77–1.46) (a, b, c, d, e, f, g) | 1.16 (0.71–1.61) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) |
| 19–<25 | 0.74–1.52 | 0.74–1.52 | 11 | 20 | 1.13 (0.73–1.54) (a, b, c, d, e, f, g, h) | 1.09 (0.73–1.44) (a, b, c, d, e, f, g, h, n, o) | 0.99 (0.77–1.21) (a, b, c, d, e, f, g, h) | 0.96 (0.61–1.31) (a, b, c, d, e, f, g, h, j, n, o) |
| 25–<35 | 0.74–1.52 | 0.74–1.52 | 23 | 26 | 1.06 (0.73–1.40) (a, b, c, d, e, f, g, h) | 1.06 (0.77–1.35) (a, b, c, d, e, f, g, h, n, o) | 1.06 (0.74–1.39) (a, b, c, d, e, f, g) | 0.97 (0.71–1.23) (a, b, c, d, e, f, g, h, j, n, o) |
| 35–<45 | 0.74–1.52 | 0.74–1.52 | 49 | 47 | 1.04 (0.75–1.33) (a, b, c, d, e, f, g, h) | 0.98 (0.7–1.25) (a, b, c, d, e, f, g, h, i, j, k, m, n, o, p, q) | 0.98 (0.73–1.22) (a, b, c, d, e, f, g, k, j) | 0.96 (0.66–1.27) (a, b, c, d, e, f, g, h, j, n, o) |
| 45–<55 | 0.74–1.52 | 0.74–1.52 | 50 | 33 | 1.02 (0.69–1.35) (a, b, c, d, e, f, g, h, i) | 1.03 (0.71–1.35) (a, b, c, d, e, f, g, h, n, o, p) | 0.94 (0.70–1.19) (a, b, c, d, e, f, g, h, j) | 0.95 (0.65–1.24) (a, b, c, d, e, f, g, h, j, n, o) |
| ≥55 | 0.74–1.52 | 0.74–1.52 | 52 | 29 | 1.09 (0.83–1.34) (a, b, c, d, e, f, g, h, l) | 0.98 (0.71–1.25) (a, b, c, d, e, f, g, h, i, m, n, o) | 1.00 (0.72–1.29) (a, b, c, d, e, f, g, h) | 0.98 (0.70–1.25) (a, b, c, d, e, f, g, h, n, o) |
| Age group (years) . | Reference values for plasma phosphate (mmol/L) . | N . | Measured plasma phosphate (mmol/L) . | Calculated TmP/GFR (mmol/L) . | ||||
|---|---|---|---|---|---|---|---|---|
| 1–<3 | 1.38–2.19 | 11 | 1.63 (1.31–1.96) | 1.53 (1.13–1.92) | ||||
| 3–<5 | 1.38–2.19 | 74 | 1.58 (1.34–1.83) | 1.47 (1.19–1.74) | ||||
| 5–<7 | 1.33–1.92 | 231 | 1.54 (1.28–1.80) (b) | 1.42 (1.13–1.7) (a, b) | ||||
| 7–<9 | 1.33–1.92 | 226 | 1.52 (1.27–1.77) (a, b) | 1.40 (1.11–1.69) (a, b) | ||||
| 9–<11 | 1.33–1.92 | 202 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.67) (a, b) | ||||
| 11–<13 | 1.33–1.92 | 220 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.68) (a, b) | ||||
| Females | Males | Females | Males | Females | Males | Females | Males | |
| 13–<16 | 1.02–1.79 | 1.14–1.99 | 210 | 199 | 1.35 (1.00–1.70) (a, b, c, d, e, f) | 1.46 (1.12–1.80) (a, b, c, d, e, f, g, h, i, j, k, l, m) | 1.24 (0.87–1.60) (a, b, c, d, e, f) | 1.34 (0.98–1.69) (a, b, c, d, e, f, g, h, i, j, k, l, m) |
| 16–<19 | 0.95–1.62 | 0.95–1.62 | 146 | 192 | 1.24 (0.89–1.58) (a, b, c, d, e, f, g) | 1.30 (0.86–1.74) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) | 1.12 (0.77–1.46) (a, b, c, d, e, f, g) | 1.16 (0.71–1.61) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) |
| 19–<25 | 0.74–1.52 | 0.74–1.52 | 11 | 20 | 1.13 (0.73–1.54) (a, b, c, d, e, f, g, h) | 1.09 (0.73–1.44) (a, b, c, d, e, f, g, h, n, o) | 0.99 (0.77–1.21) (a, b, c, d, e, f, g, h) | 0.96 (0.61–1.31) (a, b, c, d, e, f, g, h, j, n, o) |
| 25–<35 | 0.74–1.52 | 0.74–1.52 | 23 | 26 | 1.06 (0.73–1.40) (a, b, c, d, e, f, g, h) | 1.06 (0.77–1.35) (a, b, c, d, e, f, g, h, n, o) | 1.06 (0.74–1.39) (a, b, c, d, e, f, g) | 0.97 (0.71–1.23) (a, b, c, d, e, f, g, h, j, n, o) |
| 35–<45 | 0.74–1.52 | 0.74–1.52 | 49 | 47 | 1.04 (0.75–1.33) (a, b, c, d, e, f, g, h) | 0.98 (0.7–1.25) (a, b, c, d, e, f, g, h, i, j, k, m, n, o, p, q) | 0.98 (0.73–1.22) (a, b, c, d, e, f, g, k, j) | 0.96 (0.66–1.27) (a, b, c, d, e, f, g, h, j, n, o) |
| 45–<55 | 0.74–1.52 | 0.74–1.52 | 50 | 33 | 1.02 (0.69–1.35) (a, b, c, d, e, f, g, h, i) | 1.03 (0.71–1.35) (a, b, c, d, e, f, g, h, n, o, p) | 0.94 (0.70–1.19) (a, b, c, d, e, f, g, h, j) | 0.95 (0.65–1.24) (a, b, c, d, e, f, g, h, j, n, o) |
| ≥55 | 0.74–1.52 | 0.74–1.52 | 52 | 29 | 1.09 (0.83–1.34) (a, b, c, d, e, f, g, h, l) | 0.98 (0.71–1.25) (a, b, c, d, e, f, g, h, i, m, n, o) | 1.00 (0.72–1.29) (a, b, c, d, e, f, g, h) | 0.98 (0.70–1.25) (a, b, c, d, e, f, g, h, n, o) |
Before 13 years of age, reference data and results are presented for both genders together. Results are presented as mean (±1.96 SD) and reference values are presented as (min–max). Before 19 years, reference values provided by the Caliper database, and after 19 years local reference values provided by Abott. P < 0.05 (a: ≠ age group 1–<3; b: ≠ age group 3–<5; c: ≠ age group 5–<7; d: ≠ age group 7–<9; e: ≠ age group 9–<11; f: ≠ age group 11–<13; g: ≠ age group females 13–<16; h: ≠ group females 16–<19; i: ≠ group females 19–<25; j: ≠ group females 25–<35; k: ≠ group females 35–<45; l: ≠ group females 45–<55; m: ≠ group females ≥ 55; n: ≠ group males 13–<16; o: ≠ group males 16–<19; p: ≠ group males 19–<25; q: ≠ group males 25–<35).
| Age group (years) . | Reference values for plasma phosphate (mmol/L) . | N . | Measured plasma phosphate (mmol/L) . | Calculated TmP/GFR (mmol/L) . | ||||
|---|---|---|---|---|---|---|---|---|
| 1–<3 | 1.38–2.19 | 11 | 1.63 (1.31–1.96) | 1.53 (1.13–1.92) | ||||
| 3–<5 | 1.38–2.19 | 74 | 1.58 (1.34–1.83) | 1.47 (1.19–1.74) | ||||
| 5–<7 | 1.33–1.92 | 231 | 1.54 (1.28–1.80) (b) | 1.42 (1.13–1.7) (a, b) | ||||
| 7–<9 | 1.33–1.92 | 226 | 1.52 (1.27–1.77) (a, b) | 1.40 (1.11–1.69) (a, b) | ||||
| 9–<11 | 1.33–1.92 | 202 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.67) (a, b) | ||||
| 11–<13 | 1.33–1.92 | 220 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.68) (a, b) | ||||
| Females | Males | Females | Males | Females | Males | Females | Males | |
| 13–<16 | 1.02–1.79 | 1.14–1.99 | 210 | 199 | 1.35 (1.00–1.70) (a, b, c, d, e, f) | 1.46 (1.12–1.80) (a, b, c, d, e, f, g, h, i, j, k, l, m) | 1.24 (0.87–1.60) (a, b, c, d, e, f) | 1.34 (0.98–1.69) (a, b, c, d, e, f, g, h, i, j, k, l, m) |
| 16–<19 | 0.95–1.62 | 0.95–1.62 | 146 | 192 | 1.24 (0.89–1.58) (a, b, c, d, e, f, g) | 1.30 (0.86–1.74) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) | 1.12 (0.77–1.46) (a, b, c, d, e, f, g) | 1.16 (0.71–1.61) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) |
| 19–<25 | 0.74–1.52 | 0.74–1.52 | 11 | 20 | 1.13 (0.73–1.54) (a, b, c, d, e, f, g, h) | 1.09 (0.73–1.44) (a, b, c, d, e, f, g, h, n, o) | 0.99 (0.77–1.21) (a, b, c, d, e, f, g, h) | 0.96 (0.61–1.31) (a, b, c, d, e, f, g, h, j, n, o) |
| 25–<35 | 0.74–1.52 | 0.74–1.52 | 23 | 26 | 1.06 (0.73–1.40) (a, b, c, d, e, f, g, h) | 1.06 (0.77–1.35) (a, b, c, d, e, f, g, h, n, o) | 1.06 (0.74–1.39) (a, b, c, d, e, f, g) | 0.97 (0.71–1.23) (a, b, c, d, e, f, g, h, j, n, o) |
| 35–<45 | 0.74–1.52 | 0.74–1.52 | 49 | 47 | 1.04 (0.75–1.33) (a, b, c, d, e, f, g, h) | 0.98 (0.7–1.25) (a, b, c, d, e, f, g, h, i, j, k, m, n, o, p, q) | 0.98 (0.73–1.22) (a, b, c, d, e, f, g, k, j) | 0.96 (0.66–1.27) (a, b, c, d, e, f, g, h, j, n, o) |
| 45–<55 | 0.74–1.52 | 0.74–1.52 | 50 | 33 | 1.02 (0.69–1.35) (a, b, c, d, e, f, g, h, i) | 1.03 (0.71–1.35) (a, b, c, d, e, f, g, h, n, o, p) | 0.94 (0.70–1.19) (a, b, c, d, e, f, g, h, j) | 0.95 (0.65–1.24) (a, b, c, d, e, f, g, h, j, n, o) |
| ≥55 | 0.74–1.52 | 0.74–1.52 | 52 | 29 | 1.09 (0.83–1.34) (a, b, c, d, e, f, g, h, l) | 0.98 (0.71–1.25) (a, b, c, d, e, f, g, h, i, m, n, o) | 1.00 (0.72–1.29) (a, b, c, d, e, f, g, h) | 0.98 (0.70–1.25) (a, b, c, d, e, f, g, h, n, o) |
| Age group (years) . | Reference values for plasma phosphate (mmol/L) . | N . | Measured plasma phosphate (mmol/L) . | Calculated TmP/GFR (mmol/L) . | ||||
|---|---|---|---|---|---|---|---|---|
| 1–<3 | 1.38–2.19 | 11 | 1.63 (1.31–1.96) | 1.53 (1.13–1.92) | ||||
| 3–<5 | 1.38–2.19 | 74 | 1.58 (1.34–1.83) | 1.47 (1.19–1.74) | ||||
| 5–<7 | 1.33–1.92 | 231 | 1.54 (1.28–1.80) (b) | 1.42 (1.13–1.7) (a, b) | ||||
| 7–<9 | 1.33–1.92 | 226 | 1.52 (1.27–1.77) (a, b) | 1.40 (1.11–1.69) (a, b) | ||||
| 9–<11 | 1.33–1.92 | 202 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.67) (a, b) | ||||
| 11–<13 | 1.33–1.92 | 220 | 1.52 (1.28–1.76) (a, b) | 1.41 (1.14–1.68) (a, b) | ||||
| Females | Males | Females | Males | Females | Males | Females | Males | |
| 13–<16 | 1.02–1.79 | 1.14–1.99 | 210 | 199 | 1.35 (1.00–1.70) (a, b, c, d, e, f) | 1.46 (1.12–1.80) (a, b, c, d, e, f, g, h, i, j, k, l, m) | 1.24 (0.87–1.60) (a, b, c, d, e, f) | 1.34 (0.98–1.69) (a, b, c, d, e, f, g, h, i, j, k, l, m) |
| 16–<19 | 0.95–1.62 | 0.95–1.62 | 146 | 192 | 1.24 (0.89–1.58) (a, b, c, d, e, f, g) | 1.30 (0.86–1.74) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) | 1.12 (0.77–1.46) (a, b, c, d, e, f, g) | 1.16 (0.71–1.61) (a, b, c, d, e, f, g, h, i, j, k, l, m, n) |
| 19–<25 | 0.74–1.52 | 0.74–1.52 | 11 | 20 | 1.13 (0.73–1.54) (a, b, c, d, e, f, g, h) | 1.09 (0.73–1.44) (a, b, c, d, e, f, g, h, n, o) | 0.99 (0.77–1.21) (a, b, c, d, e, f, g, h) | 0.96 (0.61–1.31) (a, b, c, d, e, f, g, h, j, n, o) |
| 25–<35 | 0.74–1.52 | 0.74–1.52 | 23 | 26 | 1.06 (0.73–1.40) (a, b, c, d, e, f, g, h) | 1.06 (0.77–1.35) (a, b, c, d, e, f, g, h, n, o) | 1.06 (0.74–1.39) (a, b, c, d, e, f, g) | 0.97 (0.71–1.23) (a, b, c, d, e, f, g, h, j, n, o) |
| 35–<45 | 0.74–1.52 | 0.74–1.52 | 49 | 47 | 1.04 (0.75–1.33) (a, b, c, d, e, f, g, h) | 0.98 (0.7–1.25) (a, b, c, d, e, f, g, h, i, j, k, m, n, o, p, q) | 0.98 (0.73–1.22) (a, b, c, d, e, f, g, k, j) | 0.96 (0.66–1.27) (a, b, c, d, e, f, g, h, j, n, o) |
| 45–<55 | 0.74–1.52 | 0.74–1.52 | 50 | 33 | 1.02 (0.69–1.35) (a, b, c, d, e, f, g, h, i) | 1.03 (0.71–1.35) (a, b, c, d, e, f, g, h, n, o, p) | 0.94 (0.70–1.19) (a, b, c, d, e, f, g, h, j) | 0.95 (0.65–1.24) (a, b, c, d, e, f, g, h, j, n, o) |
| ≥55 | 0.74–1.52 | 0.74–1.52 | 52 | 29 | 1.09 (0.83–1.34) (a, b, c, d, e, f, g, h, l) | 0.98 (0.71–1.25) (a, b, c, d, e, f, g, h, i, m, n, o) | 1.00 (0.72–1.29) (a, b, c, d, e, f, g, h) | 0.98 (0.70–1.25) (a, b, c, d, e, f, g, h, n, o) |
Before 13 years of age, reference data and results are presented for both genders together. Results are presented as mean (±1.96 SD) and reference values are presented as (min–max). Before 19 years, reference values provided by the Caliper database, and after 19 years local reference values provided by Abott. P < 0.05 (a: ≠ age group 1–<3; b: ≠ age group 3–<5; c: ≠ age group 5–<7; d: ≠ age group 7–<9; e: ≠ age group 9–<11; f: ≠ age group 11–<13; g: ≠ age group females 13–<16; h: ≠ group females 16–<19; i: ≠ group females 19–<25; j: ≠ group females 25–<35; k: ≠ group females 35–<45; l: ≠ group females 45–<55; m: ≠ group females ≥ 55; n: ≠ group males 13–<16; o: ≠ group males 16–<19; p: ≠ group males 19–<25; q: ≠ group males 25–<35).
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