Propensity score-matched Cox regression analysis examining the associations between dialysis access and dialysis withdrawal.
| . | Model 1 HR (95% CI) . | Model 2 HR (95% CI) . | Model 3 HR (95% CI) . | Model 4 HR (95% CI) . | Model 5 HR (95% CI) . |
|---|---|---|---|---|---|
| HD-CVC vs HD-AVF | |||||
| 0–6 months | 2.47 (1.98–3.08) | 2.37 (1.90–2.96) | 2.43 (1.95–3.02) | 2.41 (1.93–3.01) | 2.27 (1.75–2.95) |
| >6–12 months | 2.04 (1.65–2.51) | 2.00 (1.63–2.47) | 2.06 (1.67–2.53) | 2.06 (1.67–2.54) | 2.00 (1.56–2.56) |
| >1–3 years | 1.53 (1.36–1.72) | 1.53 (1.36–1.72) | 1.57 (1.40–1.76) | 1.57 (1.40–1.77) | 1.60 (1.44–1.87) |
| >3 years | 1.00 (0.92–1.09) | 1.04 (0.96–1.14) | 1.06 (0.97–1.15) | 1.07 (0.98–1.16) | 1.07 (0.98–1.18) |
| HD-CVC vs PD-PDC | |||||
| 0–6 months | 2.89 (2.22–3.74) | 2.70 (2.08–3.50) | 2.78 (2.14–3.61) | 2.74 (2.11–3.57) | 2.83 (2.05–3.91) |
| >6–12 months | 1.90 (1.51–2.39) | 1.86 (1.48–2.35) | 1.90 (1.51–2.40) | 1.87 (1.48–2.36) | 1.81 (1.37–2.39) |
| >1–3 years | 1.25 (1.10–1.40) | 1.25 (1.10–1.40) | 1.26 (1.12–1.42) | 1.25 (1.10–1.41) | 1.22 (1.06–1.40) |
| >3 years | 0.88 (0.80–0.96) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.93 (0.83–1.03) |
| HD-AVF vs PD-PDC | |||||
| 0–6 months | 1.19 (0.87–1.63) | 1.18 (0.86–1.62) | 1.16 (0.85–1.59) | 1.11 (0.81–1.53) | 1.36 (0.92–2.01) |
| >6–12 months | 0.93 (0.71–1.21) | 0.92 (0.71–1.20) | 0.91 (0.70–1.18) | 0.89 (0.68–1.17) | 0.92 (0.66–1.29) |
| >1–3 years | 0.76 (0.66–0.86) | 0.76 (0.66–0.86) | 0.75 (0.66–0.85) | 0.73 (0.64–0.84) | 0.75 (0.64–0.88) |
| >3 years | 0.90 (0.82–0.99) | 0.94 (0.86–1.03) | 0.93 (0.84–1.01) | 0.92 (0.83–1.01) | 0.93 (0.84–1.03) |
| . | Model 1 HR (95% CI) . | Model 2 HR (95% CI) . | Model 3 HR (95% CI) . | Model 4 HR (95% CI) . | Model 5 HR (95% CI) . |
|---|---|---|---|---|---|
| HD-CVC vs HD-AVF | |||||
| 0–6 months | 2.47 (1.98–3.08) | 2.37 (1.90–2.96) | 2.43 (1.95–3.02) | 2.41 (1.93–3.01) | 2.27 (1.75–2.95) |
| >6–12 months | 2.04 (1.65–2.51) | 2.00 (1.63–2.47) | 2.06 (1.67–2.53) | 2.06 (1.67–2.54) | 2.00 (1.56–2.56) |
| >1–3 years | 1.53 (1.36–1.72) | 1.53 (1.36–1.72) | 1.57 (1.40–1.76) | 1.57 (1.40–1.77) | 1.60 (1.44–1.87) |
| >3 years | 1.00 (0.92–1.09) | 1.04 (0.96–1.14) | 1.06 (0.97–1.15) | 1.07 (0.98–1.16) | 1.07 (0.98–1.18) |
| HD-CVC vs PD-PDC | |||||
| 0–6 months | 2.89 (2.22–3.74) | 2.70 (2.08–3.50) | 2.78 (2.14–3.61) | 2.74 (2.11–3.57) | 2.83 (2.05–3.91) |
| >6–12 months | 1.90 (1.51–2.39) | 1.86 (1.48–2.35) | 1.90 (1.51–2.40) | 1.87 (1.48–2.36) | 1.81 (1.37–2.39) |
| >1–3 years | 1.25 (1.10–1.40) | 1.25 (1.10–1.40) | 1.26 (1.12–1.42) | 1.25 (1.10–1.41) | 1.22 (1.06–1.40) |
| >3 years | 0.88 (0.80–0.96) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.93 (0.83–1.03) |
| HD-AVF vs PD-PDC | |||||
| 0–6 months | 1.19 (0.87–1.63) | 1.18 (0.86–1.62) | 1.16 (0.85–1.59) | 1.11 (0.81–1.53) | 1.36 (0.92–2.01) |
| >6–12 months | 0.93 (0.71–1.21) | 0.92 (0.71–1.20) | 0.91 (0.70–1.18) | 0.89 (0.68–1.17) | 0.92 (0.66–1.29) |
| >1–3 years | 0.76 (0.66–0.86) | 0.76 (0.66–0.86) | 0.75 (0.66–0.85) | 0.73 (0.64–0.84) | 0.75 (0.64–0.88) |
| >3 years | 0.90 (0.82–0.99) | 0.94 (0.86–1.03) | 0.93 (0.84–1.01) | 0.92 (0.83–1.01) | 0.93 (0.84–1.03) |
Model 1: univariate.
Model 2: Model 1 + non-modifiable variables (age, gender, ethnicity).
Model 3: Model 2 + medical variables [late nephrology referral, body mass index, comorbid medical conditions (coronary artery disease, cerebrovascular disease, chronic lung disease, peripheral vascular disease, cancer, diabetes mellitus, primary kidney disease)].
Model 4: Model 3 + social variables (era, geographical location, socio-economic status, Australian state at time of dialysis initiation).
Model 5: Model 4 + centre-level characteristics (transplant centre, centre size).
Final model: Model 3 (bold).
Propensity score-matched Cox regression analysis examining the associations between dialysis access and dialysis withdrawal.
| . | Model 1 HR (95% CI) . | Model 2 HR (95% CI) . | Model 3 HR (95% CI) . | Model 4 HR (95% CI) . | Model 5 HR (95% CI) . |
|---|---|---|---|---|---|
| HD-CVC vs HD-AVF | |||||
| 0–6 months | 2.47 (1.98–3.08) | 2.37 (1.90–2.96) | 2.43 (1.95–3.02) | 2.41 (1.93–3.01) | 2.27 (1.75–2.95) |
| >6–12 months | 2.04 (1.65–2.51) | 2.00 (1.63–2.47) | 2.06 (1.67–2.53) | 2.06 (1.67–2.54) | 2.00 (1.56–2.56) |
| >1–3 years | 1.53 (1.36–1.72) | 1.53 (1.36–1.72) | 1.57 (1.40–1.76) | 1.57 (1.40–1.77) | 1.60 (1.44–1.87) |
| >3 years | 1.00 (0.92–1.09) | 1.04 (0.96–1.14) | 1.06 (0.97–1.15) | 1.07 (0.98–1.16) | 1.07 (0.98–1.18) |
| HD-CVC vs PD-PDC | |||||
| 0–6 months | 2.89 (2.22–3.74) | 2.70 (2.08–3.50) | 2.78 (2.14–3.61) | 2.74 (2.11–3.57) | 2.83 (2.05–3.91) |
| >6–12 months | 1.90 (1.51–2.39) | 1.86 (1.48–2.35) | 1.90 (1.51–2.40) | 1.87 (1.48–2.36) | 1.81 (1.37–2.39) |
| >1–3 years | 1.25 (1.10–1.40) | 1.25 (1.10–1.40) | 1.26 (1.12–1.42) | 1.25 (1.10–1.41) | 1.22 (1.06–1.40) |
| >3 years | 0.88 (0.80–0.96) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.93 (0.83–1.03) |
| HD-AVF vs PD-PDC | |||||
| 0–6 months | 1.19 (0.87–1.63) | 1.18 (0.86–1.62) | 1.16 (0.85–1.59) | 1.11 (0.81–1.53) | 1.36 (0.92–2.01) |
| >6–12 months | 0.93 (0.71–1.21) | 0.92 (0.71–1.20) | 0.91 (0.70–1.18) | 0.89 (0.68–1.17) | 0.92 (0.66–1.29) |
| >1–3 years | 0.76 (0.66–0.86) | 0.76 (0.66–0.86) | 0.75 (0.66–0.85) | 0.73 (0.64–0.84) | 0.75 (0.64–0.88) |
| >3 years | 0.90 (0.82–0.99) | 0.94 (0.86–1.03) | 0.93 (0.84–1.01) | 0.92 (0.83–1.01) | 0.93 (0.84–1.03) |
| . | Model 1 HR (95% CI) . | Model 2 HR (95% CI) . | Model 3 HR (95% CI) . | Model 4 HR (95% CI) . | Model 5 HR (95% CI) . |
|---|---|---|---|---|---|
| HD-CVC vs HD-AVF | |||||
| 0–6 months | 2.47 (1.98–3.08) | 2.37 (1.90–2.96) | 2.43 (1.95–3.02) | 2.41 (1.93–3.01) | 2.27 (1.75–2.95) |
| >6–12 months | 2.04 (1.65–2.51) | 2.00 (1.63–2.47) | 2.06 (1.67–2.53) | 2.06 (1.67–2.54) | 2.00 (1.56–2.56) |
| >1–3 years | 1.53 (1.36–1.72) | 1.53 (1.36–1.72) | 1.57 (1.40–1.76) | 1.57 (1.40–1.77) | 1.60 (1.44–1.87) |
| >3 years | 1.00 (0.92–1.09) | 1.04 (0.96–1.14) | 1.06 (0.97–1.15) | 1.07 (0.98–1.16) | 1.07 (0.98–1.18) |
| HD-CVC vs PD-PDC | |||||
| 0–6 months | 2.89 (2.22–3.74) | 2.70 (2.08–3.50) | 2.78 (2.14–3.61) | 2.74 (2.11–3.57) | 2.83 (2.05–3.91) |
| >6–12 months | 1.90 (1.51–2.39) | 1.86 (1.48–2.35) | 1.90 (1.51–2.40) | 1.87 (1.48–2.36) | 1.81 (1.37–2.39) |
| >1–3 years | 1.25 (1.10–1.40) | 1.25 (1.10–1.40) | 1.26 (1.12–1.42) | 1.25 (1.10–1.41) | 1.22 (1.06–1.40) |
| >3 years | 0.88 (0.80–0.96) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.94 (0.85–1.03) | 0.93 (0.83–1.03) |
| HD-AVF vs PD-PDC | |||||
| 0–6 months | 1.19 (0.87–1.63) | 1.18 (0.86–1.62) | 1.16 (0.85–1.59) | 1.11 (0.81–1.53) | 1.36 (0.92–2.01) |
| >6–12 months | 0.93 (0.71–1.21) | 0.92 (0.71–1.20) | 0.91 (0.70–1.18) | 0.89 (0.68–1.17) | 0.92 (0.66–1.29) |
| >1–3 years | 0.76 (0.66–0.86) | 0.76 (0.66–0.86) | 0.75 (0.66–0.85) | 0.73 (0.64–0.84) | 0.75 (0.64–0.88) |
| >3 years | 0.90 (0.82–0.99) | 0.94 (0.86–1.03) | 0.93 (0.84–1.01) | 0.92 (0.83–1.01) | 0.93 (0.84–1.03) |
Model 1: univariate.
Model 2: Model 1 + non-modifiable variables (age, gender, ethnicity).
Model 3: Model 2 + medical variables [late nephrology referral, body mass index, comorbid medical conditions (coronary artery disease, cerebrovascular disease, chronic lung disease, peripheral vascular disease, cancer, diabetes mellitus, primary kidney disease)].
Model 4: Model 3 + social variables (era, geographical location, socio-economic status, Australian state at time of dialysis initiation).
Model 5: Model 4 + centre-level characteristics (transplant centre, centre size).
Final model: Model 3 (bold).
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