Table 4.

Distribution of study participants based on co-morbidities.

Co-morbidity	Case (N = 345) N (%)	Controls (N = 628) N (%)	Chi-square	p Value
Presence of Co-morbidities
Yes	206 (59.7)	321 (51.1)	6.627	0.011
Obesity
Obese Normal	96 (33.2) 193(66.8)	207 (40.8) 300(59.2)	4.522	0.033
Diabetes
Yes	12 (3.47)	7 (1.2)	6.497	0.015
Heart disease
Yes	2 (0.57)	5 (0.79)	0.146	0.702
Asthma (requiring medication)
Yes	8 (2.3)	12 (1.9)	184	0.668
Hypertension
Yes	10 (2.89)	12 (1.91)	0.983	0.321
Chronic kidney disease
Yes	2 (0.58)	1 (0.16)	1.281	0.288
Hypothyroidism
Yes	11 (3.2)	16 (2.5)	0.339	0.561