Table 2.
Univariate and multivariate analysis of clinical predictions factors for PS patients.
| Univariate analysis |
Multivariate analysis |
|||||
|---|---|---|---|---|---|---|
| Characteristic | OR | 95% CI | P | OR | 95% CI | P |
| Age | 0.97 | 0.93, 1.00 | 0.080 | |||
| Gender | ||||||
| Female | 1.00 | – | ||||
| Male | 0.71 | 0.25, 1.99 | 0.517 | |||
| BMI | 0.93 | 0.82, 1.04 | 0.205 | |||
| Pain (n%) | ||||||
| High | 1.00 | – | ||||
| Low | 1.18 | 0.42, 3.29 | 0.756 | |||
| Wasting (n%) | ||||||
| No | 1.00 | – | ||||
| Yes | 1.38 | 0.45, 4.08 | 0.563 | |||
| Affected Limb (n%) | ||||||
| Left | 1.00 | – | ||||
| None | 0.97 | 0.28, 3.67 | 0.962 | |||
| Right | 0.90 | 0.17, 4.61 | 0.899 | |||
| Muscle Strength (n%) | ||||||
| 3 | 1.00 | – | ||||
| 4 | 0.31 | 0.08, 1.00 | 0.059 | |||
| 5 | 0.88 | 0.22, 3.42 | 0.853 | |||
| WBC (×109/L) | 1.59 | 1.20, 2.26 | 0.004 | 1.42 | 1.01, 2.15 | 0.065 |
| ESR (mm/H) | 1.03 | 1.01, 1.07 | 0.013 | 1.03 | 1.00, 1.07 | 0.085 |
| CRP (mg/L) | 1.03 | 1.01, 1.05 | 0.002 | 1.01 | 0.98, 1.03 | 0.5 |
| ALB (g/L) | 0.95 | 0.85, 1.06 | 0.353 | |||
| AST (U/L) | 1.01 | 0.97, 1.05 | 0.556 | |||
| ALT (U/L) | 1.01 | 0.98, 1.03 | 0.695 | |||
| GGT (U/L) | 1.00 | 0.98, 1.02 | 0.939 | |||
| ALP (U/L) | 0.99 | 0.96, 1.01 | 0.205 | |||
PS: Pyogenic spondylitis, OR: Odds Ratio, CI: Confidence Interval, BMI: Body mass index (BMI, kg/m2), WBC: preoperative white blood cell (WBC, ×109/L), ESR: preoperative erythrocyte sedimentation rate (ESR, mm/h), CRP: preoperative C-reactive protein (CRP, mg/L), ALB: pre-operative operative albumin (ALB, g/L), AST: preoperative aspartate aminotransferase (AST, U/L), ALT: preoperative alanine aminotransferase (ALT, U/L), GGT: preoperative gamma-glutamyl transferase (GGT, U/L), Alkaline phosphatase (ALP, U/L).