Table 6.

Multivariate logistic analysis of the correlation between selected variables and the incidence of diabetes

	OR	95% CI	P value
Model 1
BMI (kg/m2)	1.662	1.254-2.202	<0.001**
LDL (mmol/L)	8.735	1.723-44.277	0.009**
WBC (×109/L)	1.299	1.022-1.650	0.032*
CRP (mg/L)	1.386	1.178-1.632	<0.001**
TNF-α (pg/mL)	1.435	1.201-1.714	<0.001**
IL-6 (pg/mL)	1.598	1.257-2.030	<0.001**
Exercise (%)	0.121	0.032-0.467	0.002**
SAS (%)	20.433	4.358-95.812	<0.001**
HAQ (%)	5.754	1.916-17.283	0.002**
SF36 (%)	18.255	3.506-95.052	0.001**
Model 2
LDL (mmol/L)	7.490	1.268-44.250	0.026*
WBC (×109/L)	1.248	0.946-1.645	0.117
CRP (mg/L)	1.392	1.169-1.659	<0.001**
TNF-α (pg/mL)	1.413	1.163-1.716	<0.001**
IL-6 (pg/mL)	1.556	1.222-1.981	<0.001**
Exercise (%)	0.145	0.032-0.658	0.012*
SAS (%)	16.523	3.351-81.460	0.001**
HAQ (%)	4.386	1.435-13.407	0.010*
SF36 (%)	26.559	3.399-207.545	0.002**
Model 3
WBC (×109/L)	1.324	0.979-1.790	0.068
CRP (mg/L)	1.459	1.189-1.789	<0.001**
TNF-α (pg/mL)	1.402	1.143-1.719	0.001**
IL-6 (pg/mL)	1.720	1.269-2.333	<0.001**
Exercise (%)	0.162	0.034-0.760	0.021*
SAS (%)	15.819	3.136-79.798	0.001**
HAQ (%)	3.966	1.298-12.121	0.016*
SF36 (%)	25.162	2.823-224.241	0.004**

Model 1 adjusted for age, duration of chronic osteomyelitis and gender; Model 2 adjusted for age, duration of chronic osteomyelitis, gender and body mass index; Model 3 adjusted for age, duration of chronic osteomyelitis, gender, body mass index and low-density lipoprotein. BMI, body mass index; LDL, low density lipoprotein WBC, white blood cells; CRP, C-reactive protein; TNF-α, tumour necrosis factor α; IL-6, interleukin-6; SAS, Self-Rating Anxiety Scale; HAQ, Health Assessment Questionnaire walking subscale; SF-36, Short Form 36 Health Survey Questionnaire mental health subscale. *, p<0.05; **, p<0.01