Table 1.
Comparing baseline characteristics between the two groups of the study participants.
| Characteristics | Surgical (n = 71) | Nonsurgical (n = 110) | P values |
|---|---|---|---|
| Age (years)∗ | 37.04 ± 15.86 | 34.81 ± 14.4 | 0.102 |
| Gender∗∗ | |||
| Male | 31 (43.7%) | 44 (40%) | 0.965 |
| Female | 25 (40.3%) | 66 (60%) | 0.0541 |
| WBC count (×109/L)∗ | 12.7 ± 10.14 | 9.82 ± 3.68 | 0.0445 |
| Serum S100A8/A9∗ | 208.17 ± 101.5 | 95.95 ± 84.3 | 0.0238 |
| Urine S100A8/A9∗ | 147.64 ± 44.5 | 81.22 ± 64.4 | 0.0315 |
| Serum amyloid A∗ | 21.37 ± 20.38 | 20.95 ± 23.09 | 0.996 |
| Pain onset | |||
| Admission day | 20 (28.2%) | 31 (28.2%) | 1.00 |
| <5 days before admission | 42 (59.2%) | 63 (57.3%) | 0.998 |
| 5–10 days before admission | 8 (11.2%) | 13 (11.8%) | 1.00 |
| >10 days before admission | 1 (1.4%) | 3 (2.7%) | 0.985 |
∗Mean ± SD. ∗∗Number (%)