. 2021 Mar 4;23:72. doi: 10.1186/s13075-021-02453-7

Table 2.

Comparison of outcomes between the intervention and control group

Variable	Intervention group (N = 59) Mean ± SD	Control group (N = 59) Mean ± SD	t/Z	P
SF-36 subgroups
Physical functioning	83.05 ± 16.24	79.41 ± 15.68	1.240	0.217^a
Role physical, M [IQR]	100.00 [50.00]	50.00 [100.00]	− 2.429	0.015^b
Bodily pain	65.75 ± 16.85	55.29 ± 17.17	3.340	0.001^a
General health	59.05 ± 17.73	49.95 ± 20.71	2.565	0.012^a
Vitality	70.25 ± 15.04	65.34 ± 18.19	1.600	0.112^a
Social functioning	83.31 ± 18.30	73.54 ± 18.08	2.917	0.004^a
Role emotional	81.36 ± 34.61	61.02 ± 43.84	2.797	0.006^a
Mental health	72.88 ± 13.96	65.97 ± 15.64	2.534	0.013^a
BDI-II, M [IQR]	3.00 [5.00]	5.00 [13.00]	− 1.980	0.048^b
BASFI, M [IQR]	1.00 [1.40]	1.40 [1.60]	− 1.764	0.078^b
BAS-G	3.28 ± 2.10	3.68 ± 1.94	− 1.060	0.291^a
Overall pain	3.05 ± 1.87	3.25 ± 1.92	− 0.583	0.561^a
Back pain	3.19 ± 2.16	2.93 ± 2.03	0.658	0.512^a
Nocturnal pain	2.83 ± 2.10	2.86 ± 2.18	− 0.086	0.932^a
Morning stiffness	2.42 ± 1.93	2.64 ± 1.64	− 0.672	0.503^a

SD standard deviation, M median, IQR interquartile range, SF-36 the Short Form 36-item Health Survey, BDI-II Beck Depression Inventory-II, BASFI Bath Ankylosing Spondylitis Functional Index, BAS-G Bath Ankylosing Spondylitis Patient Global Score

^aIndependent samples t test

^bMann-Whitney U test