LOSPA (n=8) | EOSPA (n=32) | p Value | |
Acute uveitis (%) | 25 | 9.4 | NS |
Non-gonococcal urethritis or cervicitis <1 month before arthritis (%) | 0 | 9 | NS |
Acute diarrhoea <1 month before arthritis (%) | 25 | 6.3 | NS |
Inflammatory bowel disease (%) | 37.5 | 6.3 | P=0.02 |
Psoriasis (%) | 37.5 | 15.6 | NS |
ESR (mean (SD)) | 87 (24) | 24 (35) | p=0.001 |
HLA B27 (%) | 50 | 73 | NS |