Table 1.
Comparison of characteristics between DPNP and non-DPNP patients in the training dataset (categorical variable).
| Variables | Category | No Painful diabetic neuropathy (n=2309) | Painful diabetic neuropath (n=1127) | χ2 | p |
|---|---|---|---|---|---|
| Gender | Male | 1260 (54.57) | 634 (56.26) | 0.871 | 0.351 |
| Female | 1049 (45.43) | 493 (43.74) | |||
| Marital status | Unmarried | 46 (1.99) | 24 (2.13) | 8.054 | 0.045 |
| Married | 2139 (92.64) | 1066 (94.59) | |||
| Divorced | 99 (4.29) | 27 (2.4) | |||
| Widowed | 25 (1.08) | 10 (0.89) | |||
| Payment method | Medical insurance for urban employees | 1687 (73.06) | 771 (68.41) | 14.928 | 0.011 |
| Medical insurance for urban residents | 308 (13.34) | 172 (15.26) | |||
| New rural cooperative medical | 110 (4.76) | 76 (6.74) | |||
| Self-payed | 135 (5.85) | 84 (7.45) | |||
| At state expense | 39 (1.69) | 14 (1.24) | |||
| Commercial insurance | 30 (1.3) | 10 (0.89) | |||
| Occupation | Professional and technical personnel | 181 (7.84) | 91 (8.07) | 15.859 | 0.015 |
| Civil servant | 46 (1.99) | 17 (1.51) | |||
| Worker | 63 (2.73) | 22 (1.95) | |||
| Farmer | 159 (6.89) | 51 (4.53) | |||
| Retirees | 1371 (59.38) | 661 (58.65) | |||
| Self-employed individual | 38 (1.65) | 19 (1.69) | |||
| Others | 451 (19.53) | 266 (23.6) | |||
| BMI | <24kg/m2 | 2104 (91.12) | 996 (88.38) | 6.470 | 0.011 |
| ≥24kg/m2 | 205 (8.88) | 131 (11.62) | |||
| Smoking | No | 1798 (77.87) | 708 (62.82) | 86.870 | <0.001 |
| Yes | 511 (22.13) | 419 (37.18) | |||
| Clinical pathway | Completed | 2082 (90.17) | 981 (87.05) | 7.636 | 0.006 |
| Drop out | 227 (9.83) | 146 (12.95) | |||
| Diabetic nephropathy in patient with T2DM | No | 1597 (69.16) | 794 (70.45) | 0.594 | 0.441 |
| Yes | 712 (30.84) | 333 (29.55) | |||
| Diabetic retinopathy in patient with T2DM | No | 1742 (75.44) | 883 (78.35) | 3.546 | 0.060 |
| Yes | 567 (24.56) | 244 (21.65) | |||
| Peripheral arterial disease in patients with T2DM | No | 2196 (95.11) | 906 (80.39) | 186.89 | <0.001 |
| Yes | 113 (4.89) | 221 (19.61) | |||
| Combination of two or more complications of diabetes | No | 1249 (54.09) | 545 (48.36) | 9.980 | 0.002 |
| Yes | 1060 (45.91) | 582 (51.64) | |||
| Hypertension | No | 891 (38.59) | 390 (34.61) | 5.139 | 0.023 |
| Yes | 1418 (61.41) | 737 (65.39) | |||
| History of surgery | No | 2172 (94.07) | 1033 (91.66) | 6.999 | 0.008 |
| Yes | 137 (5.93) | 94 (8.34) |