TABLE III.
Characteristics of Patient Subgroups in the Musculoskeletal Morbidity Grades
| Musculoskeletal Morbidity Grade |
||||
| Characteristic | 1 | 2 | 3 | 4 |
| Age* (yr) | 64.9 ± 11.4 | 64.9 ± 10.9 | 66.8 ± 8.8 | 67.6 ± 9.3 |
| Sex† | ||||
| Male | 127 (48.7%) | 130 (43.6%) | 25 (47.2%) | 72 (40.0%) |
| Female | 134 (51.3%) | 168 (56.4%) | 28 (52.8%) | 108 (60.0%) |
| BMI* (kg/m2) | 27.5 ± 4.5 | 28.2 ± 4.6 | 26.3 ± 3.3 | 27.8 ± 4.3 |
| Living situation† | ||||
| Alone | 59 (21.5%) | 74 (23.7%) | 12 (21.1%) | 59 (31.1%) |
| With spouse or partner | 201 (73.4%) | 222 (71.2%) | 44 (77.2%) | 118 (62.1%) |
| With somebody else | 14 (5.1%) | 16 (5.1%) | 1 (1.8%) | 13 (6.8%) |
| Anxiety or depression† | ||||
| None | 171 (63.1%) | 187 (60.9%) | 31 (55.4%) | 106 (55.5%) |
| Moderate | 94 (34.7%) | 108 (35.2%) | 23 (41.1%) | 79 (41.4%) |
| Extreme | 6 (2.2%) | 12 (3.9%) | 2 (3.6%) | 6 (3.1%) |
| Years of hip pain† | ||||
| <1 | 36 (13.1%) | 31 (9.9%) | 6 (10.5%) | 11 (5.8%) |
| 1 to 2 | 81 (29.5%) | 96 (30.8%) | 18 (31.6%) | 46 (24.3%) |
| 3 to 5 | 79 (28.7%) | 85 (27.2%) | 21 (36.8%) | 67 (35.5%) |
| >5 | 79 (28.7%) | 100 (32.1%) | 12 (21.1%) | 65 (34.4%) |
| ASA class† | ||||
| 1 | 47 (19.4%) | 46 (17.1%) | 10 (19.2%) | 14 (8.3%) |
| 2 | 166 (68.6%) | 162 (60.2%) | 31 (59.6%) | 104 (61.9%) |
| 3 or 4 | 29 (12.0%) | 61 (22.7%) | 11 (21.2%) | 50 (29.8%) |
| Preoperative WOMAC scores* (points) | ||||
| Pain | 51.4 ± 18.2 | 54.8 ± 17.3 | 53.3 ± 16.0 | 57.7 ± 17.3 |
| Stiffness | 58.1 ± 19.9 | 62.2 ± 19.5 | 60.3 ± 19.8 | 61.2 ± 20.9 |
| Function | 55.6 ± 16.9 | 59.2 ± 15.9 | 59.2 ± 15.6 | 62.1 ± 16.6 |
*
The values are given as the mean and the standard deviation.
†
The values are given as the number of patients with available data, with the percentage in parentheses.