Table 3.
Results of Univariate analysis of the training set.
| Variable | Classification | Whether concurrent VTDR | t-value/Z-value/X2 -value | P-value | |
|---|---|---|---|---|---|
| Non-occurrence group (n=1342) | Occurrence group (n=263) | ||||
| Age | 63.74 ± 10.19 | 61.48 ± 9.65 | 3.325 | 0.001*** | |
| Gender | 1(Male) | 597(83.1%) | 121(16.9%) | 0.206 | 0.650 |
| 2(Female) | 745(84.0%) | 142(16.0%) | |||
| BMI | 24.43 ± 3.40 | 23.87 ± 3.55 | 2.420 | 0.016* | |
| SBP | 136.40 ± 18.31 | 139.57 ± 19.38 | -2.542 | 0.011* | |
| DBP | 81.63 ± 10.99 | 83.50 ± 11.28 | -2.512 | 0.012* | |
| Duration | 1(<5y) | 743(88.8%) | 94((11.2%) | 58.584 | 0.000*** |
| 2(5~10y) | 356(84.0%) | 68(16.0%) | |||
| 3(10~15y) | 142(71.0%) | 58(29.0%) | |||
| 4(>15y) | 101(70.1%) | 43(29.9%) | |||
| Smoking | 0(No) | 1099(83.4%) | 218(16.6%) | 0.148 | 0.700 |
| 1(Yes) | 243(84.4%) | 45(15.6%) | |||
| Alcohol | 0(No) | 1166(83.8%) | 226(16.2%) | 0.174 | 0.677 |
| 1(Yes) | 176(82.6%) | 37(17.4%) | |||
| Resident | 1(Rural) | 766(83.4%) | 152(16.6%) | 0.125 | 0.939 |
| 2(Urban) | 569(83.8%) | 110(16.2%) | |||
| 3(Both urban and rural) | 7(87.5%) | 1(12.5%) | |||
| ALT | 19.30(14.90, 26.23) | 18.50(13.40, 25.30) | -2.068 | 0.039* | |
| AST | 23.00(19.40, 27.50) | 21.60(18.20, 27.00) | -2.769 | 0.006** | |
| BUN | 5.70(4.66, 6.83) | 5.90(4.88, 7.34) | -2.794 | 0.005** | |
| SCr | 90.30(78.58, 103.20) | 93.10(79.90, 113.10) | -3.049 | 0.002** | |
| UA | 355.06 ± 109.01 | 347.24 ± 106.81 | 1.068 | 0.286 | |
| TC | 5.28 ± 1.11 | 5.24 ± 1.08 | 0.479 | 0.632 | |
| TG | 1.90(1.25, 3.14) | 1.83(1.18, 2.73) | -1.544 | 0.123 | |
| HDL | 1.20 ± 0.30 | 1.20 ± 0.29 | -0.074 | 0.941 | |
| LDLC | 2.93 ± 0.78 | 2.89 ± 0.73 | 0.731 | 0.465 | |
| GLU | 11.00 ± 5.33 | 13.33 ± 5.87 | -6.380 | 0.000*** | |
| HbA1C | 7.32 ± 1.49 | 8.19 ± 1.70 | -8.482 | 0.000*** | |
(t-test or non-parametric test for numerical variables; chi-square test for categorical variables;The t-value/Z-value/X2-value represent the statistics of t-test,non-parametric test and chi-square test respectively.)
*p<0.01,**p<0.01,***p<0.001.