Table 4.
Predictors of postoperative hospital stay (>2 days) after single-incision appendectomy in univariable and multivariable logistic regression analyses
| Variable | Univariate analysis |
Multivariate analysis |
||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| Age (> 65 yr) | 1.78 (0.38–8.31) | 0.466 | NA | |
| Female sex | 1.01 (0.48–2.10) | 0.987 | NA | |
| Body mass index (> 25 kg/m2) | 1.06 (0.45–2.49) | 0.773 | NA | |
| Operative time (> 60 min) | 1.13 (0.49–2.61) | 0.773 | NA | |
| Complicated appendicitisa | 2.42 (1.11–5.25) | 0.026 | 5.90 (2.03–17.19) | 0.001 |
| Preoperative WBC (> 12,000/μL) | 0.16 (0.28–1.24) | 0.591 | NA | |
| Preoperative CRP (> 10 mg/L) | 1.47 (0.70–3.07) | 0.309 | NA | |
| Pain instruction (no) | 7.23 (3.07–17.00) | < 0.001 | 13.17 (4.53–38.22) | < 0.001 |
OR, odds ratio; CI, confidence interval; NA, not applicable; WBC, white blood cell; CRP, C-reactive protein.
a
Complicated appendicitis included perforation, peritonitis, and/or abscess.