Table 1.
Characteristics of study group and subgroup with available patient-reported outcome measures (PROMs). Values are percentage unless otherwise specified
| Study group | Non-POD cohort | POD cohort | PROM subgroup | |
|---|---|---|---|---|
| Demographics | n = 10,140 | n = 10,001 | n = 139 | n = 4,189 |
| Age a | 66 (11) | 66 (11) | 79 (7) | 66 (10) |
| Female sex | 58 | 58 | 53 | 56 |
| Total hip arthroplasty | 55 | 57 | 58 | 55 |
| Operative time, minutes a | 77 (30) | 76 (30) | 81 (32) | 75 (34) |
| Length of stay, days a | 9 (4) | 9 (4) | 10 (6) | 9 (2) |
| ASA classification 1 | 13 | 13 | 2 | 15 |
| ASA classification 2 | 57 | 57 | 43 | 58 |
| ASA classification 3 | 31 | 30 | 54 | 27 |
| ASA classification 4 | 0.3 | 0.3 | 0.7 | 0.2 |
| CCI a | 0.5 (0.9) | 0.4 (0.9) | 2 (1) | 0.4 (0.8) |
| Dementia | 0.1 | 0.1 | 1 | 0 |
| Cerebrovascular disease | 2 | 2 | 7 | 2 |
a
Values are mean (standard deviation).
ASA = American Society of Anesthesiologists.
CCI = Charlson Comorbidity Index.