Table 2.

Risk factors and mortality. Based on all the included patients (n = 651).

Deceased no. (% of patients with nonmissing data)	+	-	p value	OR	RR
Statins	120 (20.5) n = 585	303 (51.8) n = 585	<0.001	0.3	0.6
Metformin	101 (17.3) n = 585	323 (55.2) n = 585	<0.001	0.3	0.6
Minor amputation(s) done	77 (16.2) n = 647	399 (83.8) n = 647	0.01	0.6	0.9
Major amputation(s) done	40 (6.2) n = 647	436 (67.4) n = 647	0.007	15.4	1.1
>13 months of antibiotic treatment	58 (10.0) n = 582	375 (64.4) n = 582	0.002	4.5	1.1

n is the total no. of patients with nonmissing data.