Table 1 Baseline characteristics of the participants
Clinical characteristics N (%) | T2DM (4430) | DPN (293) | P value |
|---|---|---|---|
Age | Â | Â | 0.000 |
   18–44 | 256(5.8) | 9(3.1) |  |
   45–59 | 1280(28.9) | 66(22.5) |  |
   60–89 | 2687(60.7) | 185(63.1) |  |
    > 90 | 207(4.7) | 33(11.3) |  |
BMI | Â | Â | 0.023 |
   < 18.5 | 39(0.9) | 6(2) |  |
   18.5 ~ 24.5 | 1806(40.8) | 110(37.5) |  |
   24.6 ~ 28 | 1990(44.9) | 124(42.3) |  |
    > 28 | 539(13.4) | 53(18.1) |  |
sex | Â | Â | 0.000 |
male | 2028(45.8) | 168(57.3) | Â |
female | 2402(54.2) | 125(42.7) | Â |
smoke | 971(21.9) | 130(44.4) | 0.000 |
fatigue | 2594(58.6) | 169(57.7) | 0.768 |
irritable | 1739(39.3) | 113(38.6) | 0.815 |
forgetfulness | 181(4.1) | 9(3.1) | 0.392 |
insomnia | 2061(46.5) | 108(36.9) | 0.001 |
sweating | 1199(27.1) | 45(15.4) | 0.000 |
loose teeth | 1127(25.4) | 108(36.9) | 0.000 |
dry skin | 717(16.2) | 86(29.4) | 0.000 |
dry mouth | 1820(41.1) | 120(41) | 0.966 |
polydipsia | 701(15.8) | 54(18.4) | 0.238 |
thirst does not drink much | 114(2.6) | 12(4.1) | 0.117 |
polyuria | 162(3.7) | 20(6.8) | 0.006 |
frequency of urine | 562(12.7) | 34(11.6) | 0.589 |
crimson tongue | 700(15.8) | 55(18.8) | 0.179 |
purple tongue | 329(7.4) | 44(15) | 0.000 |
dark red tongue | 513(11.6) | 3(1) | 0.000 |
enlarged tongue | 449(10.1) | 21(7.2) | 0.100 |
spotted tongue | 285(6.4) | 21(7.2) | 0.621 |
teeth marked tongue | 1119(25.3) | 62(21.2) | 0.117 |
fissured tongue | 1658(37.4) | 101(34.5) | 0.311 |
yellow coating | 1162(26.2) | 103(35.2) | 0.001 |
less coating | 305(6.8) | 23(7.8) | 0.529 |
thick coating | 1040(23.5) | 55(18.8) | 0.065 |
greasy coating | 1149(25.9) | 51(17.4) | 0.001 |
FPG (mmol/L) | 7.79(1.63) | 7.77(1.40) | 0.838 |
RPG (mmol/L) | 11.16(2.41) | 11.32(1.55) | 0.273 |