Table 2. Adjusted and unadjusted associations of M. ulcerans lesion body positions with age and gender.

Body site	Male gender: n (%)	Female gender: n (%)	OR male v female adjusted for age (95% CI)	p-value male v female adjusted for age	Age ≥ 65 years: n (%)	Age < 65 years: n (%)	OR age ≥ 65 years v age < 65 years adjusted for gender	p-value age ≥ 65 years v age < 65 years adjusted for gender
Upper limb	113 (33.2)	63 (20.4)	1.97	<0.001	75	101	1.29 (0.90-	0.16
			(1.38-		(29.8)	(25.4)	1.85)
			2.82)
Lower limb	214 (62.9)	240 (77.7)	0.48	<0.001	168	286	0.74 (0.52-	0.09
			(0.34-		(66.7)	(72.0)	1.05)
			0.68)
Proximal	289 (85.0)	258 (83.5)	1.15(0.75	0.52	6 (2.4)	32 (8.1)	0.57 (0.36-	0.02
			-1.76)				0.91)
Arm and	19 (6.2)	19 (5.6)	0.86	0.65	6 (2.4)	32 (8.1)	0.28 (0.11-	0.001
shoulder			(0.44-				0.67)
combined			1.66)
Hand,	94 (27.7)	44 (14.2)	2.41(1.61	<0.001	69	69	1.91 (1.30-	0.001
wrist,			-3.61)		(27.4)	(17.4)	2.81)
forearm
and elbow
combined
Ankle	48 (14.1)	54 (17.5)	0.79	0.27	48	56	1.34 (0.88-	0.18
			(0.51-		(18.3)	(14.1)	2.06)
			1.20)
Thigh	17 (5.0)	23 (7.4)	0.64	0.18	12 (4.8)	28 (7.1)	0.64 (0.32-	0.22
			(0.33-				1.29)
			1.22)
Foot	14 (4.1)	32 (10.4)	0.37	0.002	17 (6.8)	29 (7.3)	0.87 (0.47-	0.67
			(0.19-				1.63)
			0.71)
Joint	120 (35.3)	109 (35.3)	1.00	0.97	93	136	1.12 (0.81-	0.49
			(0.73-		(36.9)	(34.3)	1.56)
			1.39)