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Table 2 Comparisons of baseline characteristics between the low- and high-quality groups and the composite score among baseline categoriesa

From: Factors analysis on the use of key quality indicators for narrowing the gap of quality of care of breast cancer

VariableOverall N(%)Score of quality (\( \overline{X}\pm S \))P valueQuality-of-care groupP value
Low quality (N = 1771) n (%)High quality (N = 1898) n (%)
Age  0.1584  0.2705
 < 40422 (12.05)0.80 ± 0.12 212 (11.97)230 (12.12) 
 40–501414 (38.54)0.80 ± 0.12 708 (39.98)706 (37.20) 
 50–601271 (34.64)0.81 ± 0.12 588 (33.20)683 (35.99) 
 > 60542 (14.77)0.80 ± 0.12 263 (14.85)279 (14.70) 
Comorbidities  < 0.0001  < 0.0001
 02934 (79.97)0.80 ± 0.12 1470 (83.00)1464 (77.13) 
 1565 (15.40)0.82 ± 0.11 235 (13.27)330 (17.39) 
 ≥ 2170 (4.63)0.82 ± 0.13 66 (3.73)104 (5.48) 
Types of insurance  < 0.0001  0.0026
 NCMS1216 (33.14)0.79 ± 0.12 631 (35.63)585 (30.82) 
 URBMI181 (4.93)0.79 ± 0.13 94 (5.31)87 (4.58) 
 UEBMI2272 (61.92)0.81 ± 0.12 1046 (59.06)1226 (64.59) 
Income  < 0.0001  < 0.0001
 < ¥ 24,5653135 (85.45)0.78 ± 0.12 1688 (95.31)1447 (76.24) 
 ≥ ¥ 24,565534 (14.55)0.89 ± 0.10 83 (4.69)451 (23.76) 
Grade  < 0.0001  < 0.0001
 High differentiated185 (5.04)0.81 ± 0.11 90 (5.08)95 (5.01) 
 Moderate differentiated2481 (67.62)0.81 ± 0.12 1104 (62.34)1377 (72.55) 
 Poor differentiated558 (15.21)0.80 ± 0.12 288 (16.26)270 (14.23) 
 Unknow445 (12.13)0.75 ± 0.12 289 (16.32)156 (8.22) 
Stage  < 0.0001  < 0.0001
 I1229 (33.50)0.77 ± 0.11 753 (42.52)476 (25.08) 
 II1610 (43.88)0.82 ± 0.12 638 (36.02)972 (51.21) 
 III830 (22.62)0.81 ± 0.12 380 (21.46)450 (23.71) 
Tumor size  0.0047  0.0246
 < 2 cm2098 (57.18)0.80 ± 0.12 1045 (59.01)1053 (55.48) 
 2-5 cm1487 (40.53)0.81 ± 0.12 690 (38.96)797 (41.99) 
 > 5 cm84 (2.29)0.83 ± 0.12 36 (2.03)48 (2.53) 
Type of hospital  < 0.0001  < 0.0001
 General hospital1320 (35.98)0.76 ± 0.11 861 (48.62)459 (24.18) 
 Specialized hospital2349 (64.02)0.82 ± 0.12 910 (51.38)1439 (75.82) 
  1. Abbreviations: NCMS New Rural Cooperative Medical Scheme, URBMI Urban Resident Basic Medical Insurance, UEBMI Urban Employed Basic Medical Insurance
  2. aDiscrete variables were expressed as counts (%) and continuous variables were expressed as a mean ± range