| Characteristics . | Before PSM (n = 762) . | . | After PSM (n = 500) . | . | ||
|---|---|---|---|---|---|---|
| . | TL < 20 mm (n = 457) . | TL ≥ 20 mm (n = 305) . | P-value . | TL < 20 mm (n = 250) . | TL ≥ 20 mm (n = 250) . | P-value . |
| Age, years | 0.399 | 1.000 | ||||
| <65 | 218 (47.7) | 136 (44.6) | 98 (38.6) | 108 (42.5) | ||
| ≥65 | 239 (52.3) | 169 (55.4) | 156 (61.4) | 146 (57.5) | ||
| Sex | 0.857 | 0.053 | ||||
| Female | 52 (11.4) | 36 (11.8) | 15 (6.0) | 27 (9.8) | ||
| Male | 405 (88.6) | 269 (88.2) | 235 (94.0) | 223 (89.2) | ||
| Race | 0.879 | 1.000 | ||||
| White | 440 (96.3) | 293 (96.1) | 245 (98.0) | 245 (98.0) | ||
| Others | 17 (3.7) | 12 (3.9) | 5 (2.0) | 5 (2.0) | ||
| Differentiation | 1.000 | |||||
| G1 | 109 (23.9) | 42 (13.8) | < 0.001 | 41 (16.4) | 41 (16.4) | |
| G2 | 216 (47.3) | 156 (51.1) | 126 (50.4) | 126 (50.4) | ||
| G3 | 87 (19.0) | 92 (30.2) | 68 (27.2) | 68 (27.2) | ||
| Gx | 45(9.8) | 15(4.9) | 15(6.0) | 15(6.0) | ||
| pT stage | < 0.001 | 1.000 | ||||
| T1a | 127 (27.8) | 39 (12.8) | 38 (15.2) | 38 (15.2) | ||
| T1 | 184 (40.3) | 125 (41.0) | 103 (41.2) | 103 (41.2) | ||
| T1b | 121 (26.5) | 98 (32.1) | 89 (35.6) | 89 (35.6) | ||
| T2 | 25 (5.5) | 43 (14.1) | 20 (8.0) | 20 (8.0) | ||
| AJCC pathological stage group | < 0.001 | 1.000 | ||||
| IA | 47 (10.3) | 11 (3.6) | 11 (4.4) | 11 (4.4) | ||
| IA/IB | 74 (16.2) | 23 (7.5) | 23 (9.2) | 23 (9.2) | ||
| IB | 224 (49.0) | 136 (44.6) | 128 (51.2) | 128 (51.2) | ||
| IC | 112 (24.5) | 135 (44.3) | 88 (35.2) | 88 (35.2) | ||
| Characteristics . | Before PSM (n = 762) . | . | After PSM (n = 500) . | . | ||
|---|---|---|---|---|---|---|
| . | TL < 20 mm (n = 457) . | TL ≥ 20 mm (n = 305) . | P-value . | TL < 20 mm (n = 250) . | TL ≥ 20 mm (n = 250) . | P-value . |
| Age, years | 0.399 | 1.000 | ||||
| <65 | 218 (47.7) | 136 (44.6) | 98 (38.6) | 108 (42.5) | ||
| ≥65 | 239 (52.3) | 169 (55.4) | 156 (61.4) | 146 (57.5) | ||
| Sex | 0.857 | 0.053 | ||||
| Female | 52 (11.4) | 36 (11.8) | 15 (6.0) | 27 (9.8) | ||
| Male | 405 (88.6) | 269 (88.2) | 235 (94.0) | 223 (89.2) | ||
| Race | 0.879 | 1.000 | ||||
| White | 440 (96.3) | 293 (96.1) | 245 (98.0) | 245 (98.0) | ||
| Others | 17 (3.7) | 12 (3.9) | 5 (2.0) | 5 (2.0) | ||
| Differentiation | 1.000 | |||||
| G1 | 109 (23.9) | 42 (13.8) | < 0.001 | 41 (16.4) | 41 (16.4) | |
| G2 | 216 (47.3) | 156 (51.1) | 126 (50.4) | 126 (50.4) | ||
| G3 | 87 (19.0) | 92 (30.2) | 68 (27.2) | 68 (27.2) | ||
| Gx | 45(9.8) | 15(4.9) | 15(6.0) | 15(6.0) | ||
| pT stage | < 0.001 | 1.000 | ||||
| T1a | 127 (27.8) | 39 (12.8) | 38 (15.2) | 38 (15.2) | ||
| T1 | 184 (40.3) | 125 (41.0) | 103 (41.2) | 103 (41.2) | ||
| T1b | 121 (26.5) | 98 (32.1) | 89 (35.6) | 89 (35.6) | ||
| T2 | 25 (5.5) | 43 (14.1) | 20 (8.0) | 20 (8.0) | ||
| AJCC pathological stage group | < 0.001 | 1.000 | ||||
| IA | 47 (10.3) | 11 (3.6) | 11 (4.4) | 11 (4.4) | ||
| IA/IB | 74 (16.2) | 23 (7.5) | 23 (9.2) | 23 (9.2) | ||
| IB | 224 (49.0) | 136 (44.6) | 128 (51.2) | 128 (51.2) | ||
| IC | 112 (24.5) | 135 (44.3) | 88 (35.2) | 88 (35.2) | ||
Values are n (%) unless otherwise specified; PSM, propensity score matching; TL, tumor length.
| Characteristics . | Before PSM (n = 762) . | . | After PSM (n = 500) . | . | ||
|---|---|---|---|---|---|---|
| . | TL < 20 mm (n = 457) . | TL ≥ 20 mm (n = 305) . | P-value . | TL < 20 mm (n = 250) . | TL ≥ 20 mm (n = 250) . | P-value . |
| Age, years | 0.399 | 1.000 | ||||
| <65 | 218 (47.7) | 136 (44.6) | 98 (38.6) | 108 (42.5) | ||
| ≥65 | 239 (52.3) | 169 (55.4) | 156 (61.4) | 146 (57.5) | ||
| Sex | 0.857 | 0.053 | ||||
| Female | 52 (11.4) | 36 (11.8) | 15 (6.0) | 27 (9.8) | ||
| Male | 405 (88.6) | 269 (88.2) | 235 (94.0) | 223 (89.2) | ||
| Race | 0.879 | 1.000 | ||||
| White | 440 (96.3) | 293 (96.1) | 245 (98.0) | 245 (98.0) | ||
| Others | 17 (3.7) | 12 (3.9) | 5 (2.0) | 5 (2.0) | ||
| Differentiation | 1.000 | |||||
| G1 | 109 (23.9) | 42 (13.8) | < 0.001 | 41 (16.4) | 41 (16.4) | |
| G2 | 216 (47.3) | 156 (51.1) | 126 (50.4) | 126 (50.4) | ||
| G3 | 87 (19.0) | 92 (30.2) | 68 (27.2) | 68 (27.2) | ||
| Gx | 45(9.8) | 15(4.9) | 15(6.0) | 15(6.0) | ||
| pT stage | < 0.001 | 1.000 | ||||
| T1a | 127 (27.8) | 39 (12.8) | 38 (15.2) | 38 (15.2) | ||
| T1 | 184 (40.3) | 125 (41.0) | 103 (41.2) | 103 (41.2) | ||
| T1b | 121 (26.5) | 98 (32.1) | 89 (35.6) | 89 (35.6) | ||
| T2 | 25 (5.5) | 43 (14.1) | 20 (8.0) | 20 (8.0) | ||
| AJCC pathological stage group | < 0.001 | 1.000 | ||||
| IA | 47 (10.3) | 11 (3.6) | 11 (4.4) | 11 (4.4) | ||
| IA/IB | 74 (16.2) | 23 (7.5) | 23 (9.2) | 23 (9.2) | ||
| IB | 224 (49.0) | 136 (44.6) | 128 (51.2) | 128 (51.2) | ||
| IC | 112 (24.5) | 135 (44.3) | 88 (35.2) | 88 (35.2) | ||
| Characteristics . | Before PSM (n = 762) . | . | After PSM (n = 500) . | . | ||
|---|---|---|---|---|---|---|
| . | TL < 20 mm (n = 457) . | TL ≥ 20 mm (n = 305) . | P-value . | TL < 20 mm (n = 250) . | TL ≥ 20 mm (n = 250) . | P-value . |
| Age, years | 0.399 | 1.000 | ||||
| <65 | 218 (47.7) | 136 (44.6) | 98 (38.6) | 108 (42.5) | ||
| ≥65 | 239 (52.3) | 169 (55.4) | 156 (61.4) | 146 (57.5) | ||
| Sex | 0.857 | 0.053 | ||||
| Female | 52 (11.4) | 36 (11.8) | 15 (6.0) | 27 (9.8) | ||
| Male | 405 (88.6) | 269 (88.2) | 235 (94.0) | 223 (89.2) | ||
| Race | 0.879 | 1.000 | ||||
| White | 440 (96.3) | 293 (96.1) | 245 (98.0) | 245 (98.0) | ||
| Others | 17 (3.7) | 12 (3.9) | 5 (2.0) | 5 (2.0) | ||
| Differentiation | 1.000 | |||||
| G1 | 109 (23.9) | 42 (13.8) | < 0.001 | 41 (16.4) | 41 (16.4) | |
| G2 | 216 (47.3) | 156 (51.1) | 126 (50.4) | 126 (50.4) | ||
| G3 | 87 (19.0) | 92 (30.2) | 68 (27.2) | 68 (27.2) | ||
| Gx | 45(9.8) | 15(4.9) | 15(6.0) | 15(6.0) | ||
| pT stage | < 0.001 | 1.000 | ||||
| T1a | 127 (27.8) | 39 (12.8) | 38 (15.2) | 38 (15.2) | ||
| T1 | 184 (40.3) | 125 (41.0) | 103 (41.2) | 103 (41.2) | ||
| T1b | 121 (26.5) | 98 (32.1) | 89 (35.6) | 89 (35.6) | ||
| T2 | 25 (5.5) | 43 (14.1) | 20 (8.0) | 20 (8.0) | ||
| AJCC pathological stage group | < 0.001 | 1.000 | ||||
| IA | 47 (10.3) | 11 (3.6) | 11 (4.4) | 11 (4.4) | ||
| IA/IB | 74 (16.2) | 23 (7.5) | 23 (9.2) | 23 (9.2) | ||
| IB | 224 (49.0) | 136 (44.6) | 128 (51.2) | 128 (51.2) | ||
| IC | 112 (24.5) | 135 (44.3) | 88 (35.2) | 88 (35.2) | ||
Values are n (%) unless otherwise specified; PSM, propensity score matching; TL, tumor length.
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