Table 2. ASA scores and comorbidity.

n: number; ASA: American Society of Anaesthesiologists; DM: diabetes mellitus; HT: hypertension; COPD: chronic obstructive pulmonary disease; CCF: congestive cardiac failure; *: statistically significant.

	<60 year-old	≥60 year-old
	n (%)	n (%)	p
ASA Scores
1	433 (80.5)	30 (23.6)	<0.001*
2	100 (18.6)	84 (66.1)	<0.001*
3	4 (0.7)	10 (7.9)	<0.001*
4	1 (0.2)	3 (2.4)
Co-morbitity presence	98 (18.2)	98 (77.2)	<0.001*
DM	31 (5.8)	30 (23.6)	<0.001*
HT	53 (9.9)	57 (44.9)	<0.001*
COPD	20 (3.7)	33 (26)	<0.001*
CCF	8 (1.5)	19(15)	<0.001*
Others	7 (1.4)	7 (5.6)	0.244