Age (yr)†a
| |
0.977 (0.954 to 1.002)
|
0.069
|
0.960 (0.934 to 0.987)
|
0.004
|
Gender
|
Female
|
1
|
-
| |
-
|
|
Male
|
1.995 (1.087 to 3.659)
|
0.026
|
2.991 (1.519 to 5.890)
|
0.002
|
Duration of symptoms (yr)†
| |
0.997 (0.972 to 1.023)
|
0.821
| |
***
|
HLA-B27
|
Negative
|
1
|
-
| |
-
|
|
Positive
|
1.086 (0.520 to 2.266)
|
0.827
| |
***
|
Peripheral arthritis
|
Absent
|
1
|
-
| |
-
|
|
Present
|
2.218 (0.952 to 5.165)
|
0.065
| |
*
|
BASDAI (range 0 to 10)‡
| |
1.031 (0.873 to 1.219)
|
0.717
| |
***
|
ASDAS‡
| |
1.356 (0.945 to 1.946)
|
0.099
|
1.573 (1.051 to 2.354)
|
0.028
|
Physician's GDA (range 0 to 10)‡
| |
1.087 (0.955 to 1.239)
|
0.207
| |
**
|
Patient's GDA (range 0 to 10)‡a
| |
1.124 (0.973 to 1.300)
|
0.113
| |
*
|
ESR (mm/h)‡a
| |
1.005 (0.991 to 1.019)
|
0.499
| |
**
|
CRP (mg/l)‡
| |
1.009 (0.993 to 1.024)
|
0.281
| |
**
|
BASFI (range 0 to 10)‡
| |
0.989 (0.861 to 1.135)
|
0.872
| |
***
|
Chest expansion (cm)‡a
| |
1.108 (0.953 to 1.289)
|
0.183
| |
**
|
Modified Schober test (cm)‡
| |
0.900 (0.755 to 1.074)
|
0.243
| |
**
|
Occiput to wall distance (cm)‡a
| |
0.989 (0.950 to 1.030)
|
0.591
| |
**
|
Lateral lumbar flexion L (cm)‡
| |
0.985 (0.928 to 1.044)
|
0.606
| |
***
|
Lateral lumbar flexion R (cm)‡
| |
1.018 (0.960 to 1.079)
|
0.557
| |
***
|
TNF-α blocking agent
|
ETA
|
1
|
-
| |
-
|
|
IFX
|
1.279 (0.544 to 3.008)
|
0.573
| |
**
|
|
ADA
|
0.546 (0.278 to 1.076)
|
0.079
| |
**
|