TABLE 2.
Comparison of patients with RA and controls.
| Patients (n: 191) |
Controls (n: 198) |
p | |
| Age (years) | 67.5 ± 8.8 | 67.3 ± 9.2 | ns |
| BMI (kg/m2) | 27.9 ± 5.4 | 27.8 ± 5.3 | ns |
| Underweight (n, %) | 0 | 4 (2%) | ns |
| Normal range (n, %) | 64 (34%) | 57 (30%) | |
| Overweight (n, %) | 72 (37%) | 73 (38%) | |
| Obese (n, %) | 55 (29%) | 60 (30%) | |
| Hemoglobin (g/dL) | 13.3 ± 1.2 | 13.7 ± 1.1 | < 0.01 |
| FACIT-F | |||
| Mean ± SD | 36.0 ± 10.6 | 40.0 ± 9.6 | < 0.001 |
| Median [IQ range] | 38 [30; 43] | 35 [42;47] | < 0.001 |
| FACIT-F < 40 (n, %) | 116 (61%) | 74 (37%) | < 0.001 |
| FACIT-F < 30 (n, %) | 47 (25%) | 30 (15%) | < 0.05 |
| SF-12 | |||
| Mental health | 45.1 ± 11.4 | 50.2 ± 10.1 | < 0.001 |
| Physical health | 36.8 ± 9.5 | 44.0 ± 11.5 | < 0.001 |
BMI, body mass index; FACIT-T, Functional Assessment of Chronic Illness Therapy-Fatigue; SD, standard deviation; IQ, interquartile; SF-12, Short Form Health Survey-12.