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Table 3 Health status in those with and without evident radiographic sacroiliitis respectively

From: The prevalence of moderate to severe radiographic sacroiliitis and the correlation with health status in elderly Swedish men – The MrOS study

  Moderate to severe sacroiliitis (grade 3 or 4)   
  No (N = 991) Median (IQR) Yes (N = 14) Median (IQR) p value Cases with missing information
Physical activity
PASE score 113.5 (75.7-157.2) 131.7 (52.1-171.8) 0.40 146/1
Health related quality of Life
SF-12     
- PCS12 50.7 (42.0-55.1) 46.1 (35.9-55.9) 0.56 77/2
- MCS12 57.8 (53.0-60.7) 56.1 (48.4-59.8) 0.59  
  No (n, %) Yes (n, %)   
Functional status     
IADL1: Difficulty walking 2-3 blocks without using special aids 122 (12.6) 3 (21.4) 0.41 20/0
IADL2: Difficulty climbing up to 10 steps without resting 92 (9.5) 2 (15.4) 0.36 22/1
History of back pain
Any back pain 550 (55.7) 7 (50.0) 0.79 4/0
Quebec 1: Difficulty bending down to pick up things because of back pain 243 (24.9) 6 (42.9) 0.13 14/0
Quebec 2: Difficulty putting socks on either foot because of back pain 239 (24.2) 5 (35.7) 0.35 5/0
Quebec 3: Difficulty getting in or out of the front seat of a car because of back pain 229 (23.2) 5 (35.7) 0.34 5/0
Quebec 4: Difficulty standing or walking for 2 hours because of back pain 319 (40.1) 5 (41.7) 1.00 196/2
Quebec 5: Difficulty sitting in a chair for 30 minutes because of back pain 103 (10.4) 4 (28.6) 0.05 5/0