Table 7. Logistic regression analysis of MetS-related characteristics (quartile) in patients with and without kidney stones.
| Item | n | Kidney stone patients n (%) | Crude OR (95% CI) | P value | Adjusted OR† (95% CI) | P value | P value for trend |
|---|---|---|---|---|---|---|---|
| Body mass index (kg/m2) | <0.001 | 0.013 | 0.001 | ||||
| <21.42 | 2,953 | 158 (5.3) | 1.000 | 1.000 | |||
| 21.42–23.73 | 2,950 | 238 (7.8) | 1.503 (1.219–1.852) | <0.001 | 1.150 (0.923–1.432) | 0.213 | |
| 23.73–26.04 | 2,967 | 279 (9.4) | 1.836 (1.500–2.248) | <0.001 | 1.140 (0.908–1.433) | 0.259 | |
| ≥26.04 | 2,957 | 368 (12.4) | 2.514 (2.071–3.053) | <0.001 | 1.420 (1.121–1.797) | 0.004 | |
| Systolic blood pressure (mmHg) | <0.001 | 0.523 | 0.608 | ||||
| <113 | 2,928 | 178 (6.0) | 1.000 | 1.000 | |||
| 113–123 | 2,864 | 230 (8) | 1.349 (1.101–1.652) | 0.004 | 1.121 (0.894–1.405) | 0.323 | |
| 123–135 | 3,012 | 294 (9.7) | 1.671 (1.377–2.028) | <0.001 | 1.206 (0.944–1.541) | 0.134 | |
| ≥135 | 3,023 | 334 (11.0) | 1.919 (1.588–2.319) | <0.001 | 1.179 (0.894–1.556) | 0.244 | |
| Diastolic blood pressure (mmHg) | <0.001 | 0.550 | 0.404 | ||||
| <68 | 2,659 | 167 (6.2) | 1.000 | 1.000 | |||
| 68–76 | 3,230 | 252 (7.8) | 1.263 (1.031–1.546) | 0.024 | 0.966 (0.773–1.207) | 0.760 | |
| 76–84 | 2,963 | 265 (8.9) | 1.466 (1.199–1.792) | <0.001 | 0.923 (0.719–1.185) | 0.528 | |
| ≥84 | 2,975 | 352 (11.8) | 2.003 (1.652–2.427) | <0.001 | 1.058 (0.802–1.395) | 0.690 | |
| Fasting blood glucose (mmol/L) | <0.001 | 0.524 | 0.540 | ||||
| <4.86 | 2,890 | 204 (7.0) | 1.000 | 1.000 | |||
| 4.86–5.17 | 2,998 | 228 (7.6) | 1.084 (0.891–1.319) | 0.422 | 0.949 (0.777–1.158) | 0.605 | |
| 5.17–5.54 | 2,947 | 260 (8.8) | 1.274 (1.053–1.542) | 0.013 | 0.948 (0.777–1.156) | 0.598 | |
| ≥5.54 | 2,992 | 344 (11.4) | 1.710 (1.427–2.051) | <0.001 | 1.067 (0.872–1.307) | 0.529 | |
| Triglycerides (mmol/L) | <0.001 | 0.099 | 0.006 | ||||
| <0.84 | 2,916 | 168 (5.7) | 1.000 | 1.000 | |||
| 0.84–1.2 | 2,906 | 226 (7.7) | 1.379 (1.122–1.696) | 0.002 | 1.104 (0.891–1.369) | 0.366 | |
| 1.2–1.82 | 3,034 | 284 (9.3) | 1.689 (1.386–2.059) | <0.001 | 1.161 (0.932–1.446) | 0.183 | |
| ≥1.82 | 2,971 | 358 (12.0) | 2.241 (1.851–2.713) | <0.001 | 1.329 (1.052–1.680) | 0.017 | |
| High-density lipoprotein cholesterol (mmol/L) | <0.001 | 0.013 | 0.023 | ||||
| ≥1.52 | 2,954 | 185 (6.2) | 1.000 | 1.000 | |||
| 1.26–1.52 | 2,988 | 270 (9.0) | 1.487 (1.224–1.806) | <0.001 | 1.073 (0.873–1.320) | 0.504 | |
| 1.06–1.26 | 3,032 | 266 (8.7) | 1.439 (1.185–1.749) | <0.001 | 0.800 (0.640–1.001) | 0.051 | |
| <1.06 | 2,853 | 315 (11) | 1.858 (1.537–2.245) | <0.001 | 0.845 (0.668–1.069) | 0.161 |
†, confounders were adjusted for age and sex. CI, confidence interval; OR, odds ratio; MetS, metabolic syndrome.