Table 5.
The comparison of complication (Clavien-Dindo grade) and estimated OR for Grade II-IV.
| Variables | Clavien-Dindo grade | p-value | Multivariate analysis | |
|---|---|---|---|---|
| Grade I (n = 300) | Grade II-IV (n = 10) | aOR (95%CI) | ||
| Demography | ||||
| Age | 50 (40.00–59.00) | 44.5 (39.00–58.00) | 0.603 | – |
| Gender | ||||
| Male | 193 (97.97) | 4 (2.03) | 0.179 | – |
| Female | 107 (94.69) | 6 (5.31) | ||
| BMI | 24.79 (22.85–26.82) | 26.22 (23.88–27.28) | 0.259 | – |
| Stent in ureter | 1.000a | – | ||
| Yes | 54 (98.18) | 1 (1.82) | ||
| No | 246 (96.47) | 9 (3.53) | ||
| Infection | 0.701a | – | ||
| Yes | 232 (97.07) | 7 (2.93) | ||
| No | 68 (95.77) | 3 (4.23) | ||
| Disease history | ||||
| Stone | 0.738a | – | ||
| Yes | 101 (96.19) | 4 (3.81) | ||
| No | 199 (97.07) | 6 (2.93) | ||
| Other kidney diseases | 1.000a | – | ||
| Yes | 19 (100.00) | 0 (0.00) | ||
| No | 281 (96.56) | 10 (3.44) | ||
| DM | 0.190a | – | ||
| Yes | 45 (93.75) | 3 (6.25) | ||
| No | 255 (97.33) | 7 (2.67) | ||
| Hypertension | 0.110a | – | ||
| Yes | 81 (94.19) | 5 (5.81) | ||
| No | 219 (97.77) | 5 (2.23) | ||
| Medicine user and weakness | 0.301a | – | ||
| Yes | 32 (94.12) | 2 (5.88) | ||
| No | 268 (97.1) | 8 (2.9) | ||
| Operation | ||||
| Operation time | 75 (60.0–109.5) | 82.5 (40.0–185.0) | 0.768 | – |
| Stone number | 0.002 a | |||
| Single | 142 (100.00) | 0 (0.00) | – | |
| Multiple | 158 (94.05) | 10 (5.95) | – | |
| Stone size (mm) | 0.028 a | |||
| < 20 | 139 (97.89) | 3 (2.11) | 1 | |
| 20–29 | 92 (98.92) | 1 (1.08) | 0.32 (0.03, 3.44) | |
| 30–39 | 34 (94.44) | 2 (5.56) | 1.02 (0.15, 7.19) | |
| 40–49 | 16 (94.12) | 1 (5.88) | 0.73 (0.06, 8.64) | |
| ≥ 50 | 19 (86.36) | 3 (13.64) | 1.75 (0.25, 12.35) | |
| Composition | 0.278a | |||
| Calcium oxalate | 67 (95.71) | 3 (4.29) | – | |
| Calcium phosphate | 21 (91.30) | 2 (8.70) | – | |
| Uric acid and magnesium ammonium phosphate | 12 (100.00) | 0 (0.00) | – | |
| Complex | 200 (97.56) | 5 (2.44) | – | |
| Hydronephrosis | 0.772 a | |||
| Grade 0 | 45 (95.74) | 2 (4.26) | – | |
| Grade I | 115 (95.83) | 5 (4.17) | – | |
| Grade II | 102 (97.14) | 3 (2.86) | – | |
| Grade III | 35 (100.00) | 0 (0.00) | – | |
| Grade VI | 3 (100.00) | 0 (0.00) | – | |
| CT value (ml) | 0.494 a | |||
| ≤ 1000 | 211 (97.24) | 6 (2.76) | – | |
| > 1000 | 89 (95.70) | 4 (4.30) | – | |
| Guy’s stone score | 0.002 a | |||
| Grade I | 168 (99.41) | 1 (0.59) | 1 | |
| Grade II | 109 (95.61) | 5 (4.39) | 8.11 (0.79, 82.96) | |
| Grade III | 17 (85.00) | 3 (15.00) | 22.36 (1.81, 276.36) | |
| Grade VI | 6 (85.71) | 1 (14.29) | 15.90 (0.55, 456.26) | |
The significance of bold values were p < 0.05
aOR adjusted Odds ratio, BMI body mass index, DM diabetes mellitus, CT computer tomography
Continuous data without normal distribution are presented as median (interquartile) and performed by Wilcoxon rank; Categorical data are presented as n (%) and performed by the Chi-squared test or aFisher’s exact test, as appropriate