Table 3. Comparison of the kidney stone morbidity between the metabolic syndrome (MetS) and non-MetS groups and between different component (characteristic) number groups.
| Variable | MetS | MetS component no. | P value for trend |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Yes | No | P value | 0 | 1 | 2 | 3 | 4 | |||
| n | 10,275 | 1,552 | 5,044 | 3,004 | 2,227 | 1,250 | 302 | |||
| Kidney stones (%) | 7.9 | 14.5 | <0.001 | 5.8 | 8.7 | 11.5 | 14.6 | 14.2 | <0.001 | |
| Yes, n (%)† | 811 (78.3) | 225 (21.7) | 294 (28.4) | 261 (25.2) | 256 (24.7) | 182 (17.6) | 43 (4.1) | |||
| No, n (%)‡ | 9,464 (87.7) | 1,327 (12.3) | 4,750 (44.0) | 2,743 (25.4) | 1,971 (18.3) | 1,068 (9.9) | 259 (2.4) | |||
†, 1,036 patients with kidney stones (100%); ‡, 10,791 patients without kidney stones (100%).