Table 1 Characteristics of patients before and after the propensity score matching analysis
Parameter | Before matching | After matching | ||||||
|---|---|---|---|---|---|---|---|---|
MDI (n = 315) | CSII (n = 105) | t /χ²/Z | P value | MDI (n = 102) | CSII (n = 102) | t /χ²/Z | P value | |
Age, mean (SD), years | 40.9 (13.3) | 38.4 (12.5) | -1.725 | 0.085 | 37.4 (12.4) | 38.3 (12.6) | 0.656 | 0.513 |
Gender, n(%) | ||||||||
 Male | 148 (46.98) | 36 (34.29) | 5.158 | 0.023 | 38 (37.25) | 38 (37.25) | - | - |
 Female | 167 (53.02) | 69 (65.71) | 64 (62.75) | 64 (62.75 | ||||
BMI, mean (SD), kg/m 2 | 21.34 (2.59) | 21.00 (2.78) | -1.125 | 0.261 | 21.47 (2.90) | 20.93 (2.80) | -1.305 | 0.193 |
Disease Duration, M (P25, P75), years | 4.5 (1.6,10.4) | 8.4 (2.9,17.4) | -3.813 | < 0.001 | 7.1 (3.0,14.0) | 8 (2.8,16.1) | -0.843 | 0.399 |
Education level, n (%) | ||||||||
 Primary school | 10 (3.18) | 7 (6.67) | 8.612 | 0.013 | 4 (3.92) | 7 (6.86) | 1.677 | 0.432  |
 Middle school | 137 (43.49) | 30 (28.57) | 37 (36.28) | 30 (29.41) | ||||
 College or above | 168 (53.33) | 68 (64.76) | 61 (59.80) | 65 (63.73) | ||||
Employed, n(%) | ||||||||
 Yes | 231 (73.33) | 78 (74.29) | 0.037 | 0.848 | 77 (75.49) | 75 (73.53) | 0.103 | 0.748 |
 No | 84 (26.67) | 27 (25.71) | 25 (24.51) | 27 (26.47) | ||||
Diabetic complications, n (%) | ||||||||
 With | 123 (39.05) | 54 (51.43) | 4.951 | 0.026 | 43 (42.16) | 52 (50.98) | 1.596 | 0.207 |
 Without | 192 (60.95) | 51 (48.57) | 59 (57.84) | 50 (49.01) | ||||