Table 1 Patient characteristics for199 AxSpA patients and 89 LBP patients
Variables | All | AxSpA | LBP | p-value |
|---|---|---|---|---|
N = 288 | N = 199 | N = 89 | ||
Age, years, mean (SD) | 47.3 (11.9) | 45.9 (11.4) | 50.5 (12.5) | 0.0028 |
Male gender, N (%) | 140.0 (48.6) | 98.0 (49.3) | 42.0 (47.2) | 0.75 |
BMI, kg/m2, mean (SD) | 25.9 (11.7) | 25.3 (13.7) | 26.0 (5.2) | 0.92 |
Higher education, N (%) | 175 (61.2) | 124 (62.3) | 51.0 (57.3) | 0.78 |
Married or couple, N (%) | 198.0 (68.8) | 141 (70.8) | 57.0 (65.0) | 0.30 |
Current paid employment, N (%) | 165 (61.8) | 118 (63.1) | 47 (58.8) | 0.76 |
Pain VAS, mean (SD) | 4.4 (2.4) | 4.5 (2.4) | 4.3 (2.4) | 0.45 |
Global assessment VAS, mean (SD) | 4.5 (2.3) | 4.5 (2.4) | 4.6 (2.2) | 0.97 |
Duration of symptoms, years mean (SD) | 14.4 (11.2) | 15.2 (10.8) | 12.5 (12.2) | 0.07 |
HADS Anxiety, mean (SD) | 8.3 (3.9) | 8.3 (3.9) | 8.5 (3.9) | 0.61 |
HADS Definite Anxiety, N (%) | 78 (27.4) | 55 (27.8) | 23 (26.4) | 0.70 |
HADS Depression, mean (SD) | 5.7 (3.7) | 5.6 (3.6) | 6.0 (3.8) | 0.31 |
HADS Definite Depression, N (%) | 35 (12.8) | 23 (12.3) | 12 (13.8) | 0.91 |
SF12 PCS, mean (SD) | 43.12 (7.9) | 43.7 (8.2) | 41.9 (7.1) | 0.07 |
SF12 MCS, mean (SD) | 46.2 (8.0) | 45.9 (7.8) | 46.7 (8.1) | 0.32 |
Optimism, LOT-R, mean (SD) | 13.8 (4.2) | 13.8 (4.2) | 13.9 (4.0) | 0.78 |
High optimism (LOT-R >19) N (%) | 35 (12.2) | 24 (12.1) | 11 (12.4) | 0.62 |
Low Optimism (LOT-R <13) N (%) | 126 (45.5) | 82 (43.6) | 44 (49.4) |