Adjusted mean length of acute hospital stay of matched cohort of patients who underwent total joint arthroplasty*
| Cohort | Length of stay, d, mean ± SD | Mean difference (95% CI) | |
|---|---|---|---|
| Spinal anesthesia | General anesthesia | ||
| Total hip arthroplasty | 3.33 ± 2.13 | 3.05 ± 2.35 | 0.28 (0.17 to 0.39) |
| Total knee arthroplasty | 3.43 ± 2.08 | 3.78 ± 4.07 | −0.34 (−0.51 to −0.18) |
CI = confidence interval, SD = standard deviation.
↵* Adjusted for age, gender, body mass index, American Society of Anesthesiologists score and comorbidities (including diabetes, cardiac illness, pulmonary condition, cancer, stroke, renal dysfunction, hepatic dysfunction, obesity, dementia and mental illness) using multiple linear regression.