Table 6.

Univariate analysis of factors possibly associated with a poor functional outcome in septic arthritis

	Yes (N = 28)	No (N = 60)	p-value	Odds ratio [95 % CI]	Univariate analysis p-value
Age (years)	64.0 [36–90]	54.5 [16–95]	0.076	1.02 [1.001–1.05]	0.049
Gender (Female)	10 (36 %)	19 (32 %)	0.707	1.20 [0.46–3.07]	0.707
Knee involvement	3 (11 %)	13 (22 %)	0.252	0.43 [0.09–1.50]	0.224
Hip involvement	8 (29 %)	2 (3 %)	0.001	11.60 [2.65–81.29]	0.003
Multiple joint involvement	3 (11 %)	4 (7 %)	0.675	1.68 [0.31–8.17]	0.517
Small joint involvement	7 (25 %)	23 (38 %)	0.219	0.54 [0.19–1.41]	0.223
Cardiovascular disease	12 (43 %)	19 (32 %)	0.306	1.62 [0.64–4.10]	0.308
Skin involvement	7 (25 %)	3 (5 %)	0.010	6.33 [1.60–31.55]	0.012
Rheumatoid arthritis and related conditions	1 (4 %)	3 (5 %)	1	0.70 [0.03–5.79]	0.765
Previous cancer	8 (29 %)	7 (12 %)	0.049	3.03 [0.97–9.73]	0.056
Diabetes mellitus	7 (25 %)	13 (22 %)	0.728	1.21 [0.40–3.40]	0.728
Time to presentation (days)	15 [0–105]	5 [0–91]	0.016	1.02 [1.002–1.04]	0.034
Creatinine clearance (MDRD, ml/min)	71 [5–130]	94 [29–150]	0.019	0.98 [0.97–0.99]	0.013
C-reactive protein (mg/l)	120 [3–342]	105.5 [3–465]	0.862	0.999 [0.995–1.004]	0.839
Staphylococcus aureus	15 (58 %)	29 (55 %)	0.802	1.13 [0.44–2.96]	0.803
Joint surgery	17 (61 %)	33 (55 %)	0.614	1.26 [0.51–3.21]	0.615

MDRD Modification of Diet in Renal Disease

Statistically significant results are indicated in bold type