Table 10

Multivariate analysis for risk factors for poor outcome in 213 survivors of septic arthritis

Risk	Odds ratio	95% CI	Significance
Confusion at persentation	0.52	0.25, 1.09
Arthroscopy	1.72	0.96, 3.09
Female sex	0.91	0.61, 1.35
Oral corticosteroids	1.25	0.67, 2.33
Closed drainage	0.41	0.26, 0.63	^*
Delay > 3 days	1.00	0.83, 1.21
Diabetes mellitus	2.71	1.41, 5.22	^*
Open drainage	3.74	2.47, 5.67	^*
Prosthesis	1.40	0.74, 2.68
Age ⩽4	0.19	0.10, 0.38	^*
Age 5-14	0.79	0.49, 1.27
Age ⩾65	1.54	1.09, 2.18	^*
Knee	0.74	0.48, 1.16
Shoulder	0.60	0.35, 1.04
Elbow	0.78	0.53, 1.13
Other	0.84	0.56, 1.26
Multiple	1.32	0.85, 2.05
S aureus	0.56	0.33, 0.95
Streptococci	2.18	1.27, 3.75	^*
Other Gram positive	1.68	1.14, 2.46	^*
Gram negative	2.34	0.92, 5.90
H influenzae	0.53	0.33, 0.86	^*