Variable | Overall N(%) | Score of quality (\( \overline{X}\pm S \)) | P value | Quality-of-care group | P value | |
---|---|---|---|---|---|---|
Low quality (N = 1771) n (%) | High quality (N = 1898) n (%) | |||||
Age | Â | Â | 0.1584 | Â | Â | 0.2705 |
 < 40 | 422 (12.05) | 0.80 ± 0.12 |  | 212 (11.97) | 230 (12.12) |  |
 40–50 | 1414 (38.54) | 0.80 ± 0.12 |  | 708 (39.98) | 706 (37.20) |  |
 50–60 | 1271 (34.64) | 0.81 ± 0.12 |  | 588 (33.20) | 683 (35.99) |  |
 > 60 | 542 (14.77) | 0.80 ± 0.12 |  | 263 (14.85) | 279 (14.70) |  |
Comorbidities |  |  | < 0.0001 |  |  | < 0.0001 |
 0 | 2934 (79.97) | 0.80 ± 0.12 |  | 1470 (83.00) | 1464 (77.13) |  |
 1 | 565 (15.40) | 0.82 ± 0.11 |  | 235 (13.27) | 330 (17.39) |  |
 ≥ 2 | 170 (4.63) | 0.82 ± 0.13 |  | 66 (3.73) | 104 (5.48) |  |
Types of insurance |  |  | < 0.0001 |  |  | 0.0026 |
 NCMS | 1216 (33.14) | 0.79 ± 0.12 |  | 631 (35.63) | 585 (30.82) |  |
 URBMI | 181 (4.93) | 0.79 ± 0.13 |  | 94 (5.31) | 87 (4.58) |  |
 UEBMI | 2272 (61.92) | 0.81 ± 0.12 |  | 1046 (59.06) | 1226 (64.59) |  |
Income |  |  | < 0.0001 |  |  | < 0.0001 |
 < ¥ 24,565 | 3135 (85.45) | 0.78 ± 0.12 |  | 1688 (95.31) | 1447 (76.24) |  |
 ≥ ¥ 24,565 | 534 (14.55) | 0.89 ± 0.10 |  | 83 (4.69) | 451 (23.76) |  |
Grade |  |  | < 0.0001 |  |  | < 0.0001 |
 High differentiated | 185 (5.04) | 0.81 ± 0.11 |  | 90 (5.08) | 95 (5.01) |  |
 Moderate differentiated | 2481 (67.62) | 0.81 ± 0.12 |  | 1104 (62.34) | 1377 (72.55) |  |
 Poor differentiated | 558 (15.21) | 0.80 ± 0.12 |  | 288 (16.26) | 270 (14.23) |  |
 Unknow | 445 (12.13) | 0.75 ± 0.12 |  | 289 (16.32) | 156 (8.22) |  |
Stage |  |  | < 0.0001 |  |  | < 0.0001 |
 I | 1229 (33.50) | 0.77 ± 0.11 |  | 753 (42.52) | 476 (25.08) |  |
 II | 1610 (43.88) | 0.82 ± 0.12 |  | 638 (36.02) | 972 (51.21) |  |
 III | 830 (22.62) | 0.81 ± 0.12 |  | 380 (21.46) | 450 (23.71) |  |
Tumor size | Â | Â | 0.0047 | Â | Â | 0.0246 |
 < 2 cm | 2098 (57.18) | 0.80 ± 0.12 |  | 1045 (59.01) | 1053 (55.48) |  |
 2-5 cm | 1487 (40.53) | 0.81 ± 0.12 |  | 690 (38.96) | 797 (41.99) |  |
 > 5 cm | 84 (2.29) | 0.83 ± 0.12 |  | 36 (2.03) | 48 (2.53) |  |
Type of hospital |  |  | < 0.0001 |  |  | < 0.0001 |
 General hospital | 1320 (35.98) | 0.76 ± 0.11 |  | 861 (48.62) | 459 (24.18) |  |
 Specialized hospital | 2349 (64.02) | 0.82 ± 0.12 |  | 910 (51.38) | 1439 (75.82) |  |