Table 1 Characteristics of AS patients and controls
AS Patients | Controls | P | |
|---|---|---|---|
(n = 200) | (n = 223) | ||
Age, mean ± SD years | 39.1 ± 12.6 | 39 ± 12 | NS |
Age groups (years), No | |||
18-29 | 58 | 69 | NS |
30-50 | 103 | 106 | NS |
> 50 | 39 | 48 | NS |
Male sex, n (%) | 153 (76.5) | 171 (76.7) | NS |
BMI, mean ± SD years | 28.2 ± 5.7 | 29.7 ± 5.3 | 0.01 |
Disease duration, mean ± SD years | 10.6 ± 7.9 | - | |
Global pain, (VAS, 0-100 mm) | 46 ± 23 | - | |
Nocturnal pain, (VAS, 0-100 mm) | 39 ± 29 | - | |
BASDAI (0-10 scale), mean ± SD | 4.08 ± 2.23 | - | |
BASFI (0-10 scale), median (range) | 4.5 (1-10) | 0.2 (0-4.7) | < 0.001 |