Table 1 Baseline characteristics of the patients
Characteristic | All patients (n = 141) | Second opinion: Knee arthroplasty recommended (n = 57) | Second opinion: Knee arthroplasty currently not recommended (n = 84) |
|---|---|---|---|
n (%) or mean ± SD | n (%) or mean ± SD | n (%) or mean ± SD | |
Female sex (n = 141) | 70 (50%) | 29 (51%) | 41 (49%) |
Age - yr (n = 141) | 64.5 ± 9.9 | 65.8 ± 8.8 | 63.6 ± 10.5 |
Living alone (n = 141) | 31 (22%) | 13 (23%) | 18 (21%) |
Education, highest degree (n = 137) | |||
No degree | 2 (2%) | 0 (0%) | 2 (3%) |
Basic school (8–9 years of education) | 80 (58%) | 35 (63%) | 45 (56%) |
Middle school (10 years of education) | 38 (28%) | 15 (27%) | 23 (28%) |
High school (12–13 years of education) | 7 (5%) | 3 (5%) | 4 (5%) |
University | 10 (7%) | 3 (5%) | 7 (9%) |
Number of comorbidities (n = 141) | |||
0 | 20 (14%) | 10 (18%) | 10 (12%) |
1 | 38 (27%) | 13 (23%) | 25 (30%) |
2 | 34 (24%) | 17 (30%) | 17 (20%) |
3 | 23 (16%) | 10 (18%) | 13 (16%) |
≥ 3 | 26 (18%) | 7 (12%) | 19 (21%) |
Body weight (n = 134) | |||
Body mass indexa (BMI) | 28.8 ± 5.7 | 29.4 ± 6.4 | 28.4 ± 5.0 |
Normal weight (BMI < 27) | 50 (37%) | 20 (38%) | 30 (37%) |
Overweight (BMI 27–30) | 36 (27%) | 13 (25%) | 23 (28%) |
Obesity (BMI > 30) | 48 (36%) | 19 (37%) | 29 (35%) |
Mental health (PHQ-4) | |||
Depression score (n = 134) | 0.91 ± 0.80 | 0.90 ± 0.78 | 0.91 ± 0.81 |
Probable cases of depression | 4 (3%) | 1 (2%) | 3 (4%) |
Anxiety score (n = 133) | 0.65 ± 0.72 | 0.61 ± 0.75 | 0.69 ± 0.70 |
Probable cases of anxiety | 4 (3%) | 2 (4%) | 2 (3%) |