Table 2.

Assessment of patient demographics and comorbidities

Patient demographics and comorbidities		Group		Chi-squared	p value
		Case	Control
Gender	Male	18	364	0.006	0.939
	Female	16	315
Origin	Urban	15	203	3.085	0.079
	Rural	19	476
Addiction	Present	19	287	2.45	0.118
	Absent	15	392
Economic status	High	26	343	8.736	0.003
	Low	8	336
Diabetes	Yes	10	77	9.87	0.002
	None	24	602
Hypertension	Yes	10	112	3.809	0.051
	None	24	567
Cardiac disease	Yes	13	84	18.428	0.0001
	None	21	595
ASA score	1,2	14	455	9.6	0.002
	3,4	20	224