Table 1 Demographic, clinical, laboratory, and radiographic data of the patients with ankylosing spondylitis (AS) included in the study (n = 50)

1-Age (years): range (mean)

20-53 [24. 28 ± 8.30]

24-53 [33.85 ± 7.36]

20-51 [34.57 ± 8.99]

2-Gender: male/female no (%)

39 (78%)/11 (22%)

20 (100%)/0 (0.0%)

19 (63.3%)/11 (36.7%)

3-Family history of AS: +ve/−ve no (%)

6 (12%)/44 (88%)

1 (5%)/19 (95%)

5 (16%)/25 (83%)

 Duration of symptoms (years): range (mean)

6-29 [13.24 ± 5.81]

6-29 [13.30 ± 5.97]

6-25 [13.20 ± 5.81]

 NSAIDS: no (%)

34 (68%)

16 (80%)

18 (60%)

  Etanercept

39 (78%)

17 (85%)

22 (73.3%)

  Adalimumab

7 (14%)

2 (10%)

5 (16.7%)

 Uveitis: no (%)

3 (6%)

2 (10%)

1 (3%)

 Patrick’s (FABER) test: no (%) Positive, bilateral

50 (100%)

20 (100%)

30 (100%)

 Schober’s test (cm): range (mean)

1.5-4.5 [2.69 ± 0.84]

1.5-3 [2.70 ± 0.64]

2-4.5 [2.68 ± 0.96]

 Chest expansion (cm): range (mean)

2-4 [3.12 ± 0.63]

2-3.5 [2.68 ± 0.41]

2-4 [3.42 ± 0.57]

 Occipt to wall distance (cm): range (mean)

0-20 [5.22 ± 6.31]

5-20 [10.90 ± 5.23]

0-12 [1.43 ± 3.50]

 BASDAI: range (mean)

2.5-5.9 [4.38 ± 1.09]

5-5.9 [5.49 ± 0.36]

2.5-5.5 [3.65 ± 0.72]

 BASFI: range (mean)

3.4-6.4 [4.70 ± 0.98]

4.4-6.4 [5.54 ± 0.58]

3.4-6.4 [4.15 ± 0.78]

 ASDAS: range (mean)

2.4-4.5 [3.49 ± 0.67]

3.5-4.5 [4.06 ± 0.32]

2.5-4.4 [3.12 ± 0.56]

 mSASSS: range (mean)

12-72 [43.42 ± 16.63]

40-72 [57.85 ± 9.01]

12-67 [33.80 ± 13.23]

 ESR (mm/h): range (mean)

7-125 [51.32 ± 21.78]++

40-125 [59.45 ± 21.21]

7-100 [45.90 ± 20.76]

 CRP (mg/l): range (mean)

4-98 [35.04 ± 20.87]

40-63 [50.90 ± 7.35]

4-98 [24.47 ± 20.76]

 HLA-B27:

+ve/−ve/not done: no (%)

7 (14%)/3 (6%)/40 (80%)

3 (75%)/1 (25%)

4 (66.7%)/2 (33.3%)

11-Smoking Index for current smokers (pack-year): range (mean)

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1-18 [7.33 ± 5.29]

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