Table 3.

Comparison of univariate and multivariate analysis of disease patterns.

	Disease pattern	Crude odds ratio and CI	Adjusted OR and CI
Model 1 for ulcerated lesions (n=178)	Sex
	Female	0.713 (0.506- 1.0)	0.538 (0.37-0.78)
	Male	ref	ref
	Age (in years)
	Over 40	1.14 (0.73-1.77)	1.13 (0.72-1.79)
	21-40	0.85 (0.56-1.29)	1.02 (0.64-1.62)
	Up to 20 years	ref	ref
	Place of residence
	South	2.583 (1.79-3.72)	3.024 (2.01-4.54)
	North	ref	ref
Model 2 for multiple lesions (n=80)	Sex
	Female	0.41 (0.22-0.73)	0.69 (0.36- 1.32)
	Male	ref	ref
	Age (in years)
	Over 40	1.51 (0.63-3.61)	1.47 (0.61-3.56)-
	21-40	3.77 (1.74-8.18)	2.19 (0.91-4.87)
	Up to 20 years	ref	ref
	Place of residence
	South	0.22 (0.14-0.37)	0.29 (0.17-0.49)
	North	ref	ref
Model 3 for enlarged lesions (n=346)	Sex
	Female	1.104(0.78-1.554)	1.07 (0.74-1.55)
	Male	ref	ref
	Age (in years)
	Over 40	0.48 (0.30-0.75)	0.47 (0.29-0.75)
	21-40	0.87 (0.56-1.34)	0.72 (0.45-1.15)
	Up to 20 years	ref	ref
	Place of residence
	South	0.53 (0.37-0.76)	0.53 (0.36-0.79)
	North	ref	ref