Table 1.
Baseline, perioperative, and demographic characteristics of the patients
| Variable | TKA (N = 471) | THA (N = 523) |
|---|---|---|
| Demographic characteristics | ||
| Age (years) | 64.28 ± 9.68 | 54.85 ± 13.20 |
| Male [no.[%] of patients] | 114 (24.2%) | 289 (55.2%) |
| Height (m) | 1.57 ± 0.07 | 1.61 ± 0.08 |
| Weight (kg) | 63.90 ± 10.19 | 62.71 ± 12.01 |
| BMI (kg/m2) | 25.81 ± 3.57 | 24.10 ± 3.97 |
| Operated side [no.[%] of patients] | ||
| Right | 221 (46.9%) | 244 (46.6%) |
| Left | 250 (53.1%) | 279 (53.4%) |
| Comorbidities [no.[%] of patients] | ||
| Obstructive sleep apnea | 109 (23.1%) | 123 (23.5%) |
| COPD | 56 (11.8%) | 65 (12.4%) |
| Hypertension | 127 (26.9%) | 132 (25.2%) |
| Diabetes mellitus | 75 (15.9%) | 87 (16.6%) |
| Preop. pain and function | ||
| ROM, ° | 92.15 ± 13.60 | 89.29 ± 15.71 |
| VAS-night | 3.84 ± 1.41 | 3.20 ± 1.50 |
| VAS-ambulation | 6.37 ± 1.73 | 5.33 ± 1.02 |
| HHS (points) | – | 53.07 ± 13.33 |
| KSS (points) | 52.98 ± 13.14 | |
| Sleep parameters | ||
| PSQI | 10.27 ± 3.77 | 10.11 ± 3.56 |
| ESS | 7.70 ± 2.31 | 7.36 ± 2.41 |
| Sleep quality | 7.86 ± 1.39 | 8.19 ± 3.72 |
TKA total knee arthroplasty, THA total hip arthroplasty, BMI body mass index, COPD chronic obstruct pulmonary disease, ROM range of motion, VAS visual analog scale, HHS Harris hip score, KSS knee society score, PSQI the Pittsburgh Sleep Quality Index, ESS Epworth Sleepiness Scale