Table 2 Univariate association of pessimism with selected patient characteristics
From: Do pessimists report worse outcomes after total hip arthroplasty?
Primary THA | Revision THA | |||||
|---|---|---|---|---|---|---|
Not Pessimists | Pessimists | Not Pessimists | Pessimists | |||
No (N = 328) | Yes (N = 113) | p value | No (N = 112) | Yes (N = 60) | p value | |
Gender | 0.23a | 0.92a | ||||
Female | 182 (55.5 %) | 70 (61.9 %) | 57 (50.9 %) | 31 (51.7 %) | ||
Male | 146 (44.5 %) | 43 (38.1 %) | 55 (49.1 %) | 29 (48.3 %) | ||
Age Category | 0.09a | 0.04a | ||||
≤60 | 73 (22.3 %) | 27 (23.9 %) | 15 (13.4 %) | 18 (30.0 %) | ||
61–70 | 93 (28.4 %) | 43 (38.1 %) | 34 (30.4 %) | 18 (30.0 %) | ||
71–80 | 120 (36.6 %) | 36 (31.9 %) | 51 (45.5 %) | 17 (28.3 %) | ||
>80 | 42 (12.8 %) | 7 (6.2 %) | 12 (10.7 %) | 7 (11.7 %) | ||
BMI Category | 0.91a | 0.11a | ||||
<25 | 82 (25.2 %) | 27 (24.3 %) | 39 (35.8 %) | 12 (20.0 %) | ||
25–29.9 | 129 (39.7 %) | 42 (37.8 %) | 39 (35.8 %) | 25 (41.7 %) | ||
30–34.9 | 76 (23.4 %) | 27 (24.3 %) | 27 (24.8 %) | 16 (26.7 %) | ||
35–39.9 | 27 (8.3 %) | 9 (8.1 %) | 2 (1.8 %) | 4 (6.7 %) | ||
≥40 | 11 (3.4 %) | 6 (5.4 %) | 2 (1.8 %) | 3 (5.0 %) | ||
ASA Score | 0.38a | 0.25a | ||||
1–2 | 187 (57.0 %) | 59 (52.2 %) | 55 (49.1 %) | 24 (40.0 %) | ||
3–4 | 141 (43.0 %) | 54 (47.8 %) | 57 (50.9 %) | 36 (60.0 %) | ||
Charlson Index | 0.47b | 0.20b | ||||
Mean (SD) | 0.3 (0.4) | 0.3 (0.5) | 0.3 (0.5) | 0.2 (0.3) | ||
Median (Q1, Q3) | 0.2 (0, 0.4) | 0.2 (0, 0.4) | 0.2 (0, 0.4) | 0.2 (0, 0.4) | ||
Income Category | 0.23a | 0.53a | ||||
<=$35 K | 59 (21.1 %) | 22 (23.9 %) | 26 (28.6 %) | 11 (22.4 %) | ||
>$35 K–$45 K | 101 (36.2 %) | 40 (43.5 %) | 46 (50.5 %) | 24 (49.0 %) | ||
>$45 K | 119 (42.7 %) | 30 (32.6 %) | 19 (20.9 %) | 14 (28.6 %) | ||
Distance Category | 0.10a | 0.91a | ||||
0–100 miles | 178 (57.2 %) | 61 (59.2 %) | 44 (41.9 %) | 23 (41.1 %) | ||
>100–500 miles | 104 (33.4 %) | 39 (37.9 %) | 45 (42.9 %) | 23 (41.1 %) | ||
>500 miles or Non-US | 29 (9.3 %) | 3 (2.9 %) | 16 (15.2 %) | 10 (17.9 %) | ||
Operative Diagnosis | 0.11a | |||||
Inflammatory Arthritis | 12 (3.7 %) | 1 (0.9 %) | ||||
Osteoarthritis | 278 (84.8 %) | 95 (84.1 %) | ||||
AVN | 32 (9.8 %) | 11 (9.7 %) | ||||
Other | 6 (1.8 %) | 6 (5.3 %) | ||||
Loosening/Wear or Osteolysis | 89 (79.5 %) | 39 (65.0 %) | 0.08a | |||
Dislocation, Bone or Prosthesis Fracture, Instability | 17 (15.2 %) | 13 (21.7 %) | ||||
Failed arthroplasty with components removed or infection | 6 (5.4 %) | 8 (13.3 %) | ||||
Cemented | 0.83a | N/A | ||||
Yes | 44 (13.4 %) | 17 (15.0 %) | ||||
Hybrid | 199 (60.7 %) | 65 (57.5 %) | ||||
No | 85 (25.9 %) | 31 (27.4 %) | ||||
Pre-operative Moderate/Severe Pain | 0.58a | 0.32a | ||||
No | 9 (4.2 %) | 2 (2.7 %) | 14 (35.9 %) | 6 (24.0 %) | ||
Yes | 207 (95.8 %) | 71 (97.3 %) | 25 (64.1 %) | 19 (76.0 %) | ||
Pre-operative 3+ Moderate/Severe Activity Limitations | 0.22a | 0.45a | ||||
No | 14 (6.6 %) | 2 (2.7 %) | 9 (23.1 %) | 4 (15.4 %) | ||
Yes | 199 (93.4 %) | 71 (97.3 %) | 30 (76.9 %) | 22 (84.6 %) | ||