Table 1. Baseline demographic characteristics of the patients (n=102).

SD: standard deviation; IQR: interquartile range

Parameters	Category	Number	Percentage
Age (years)	Mean (SD)	60.4 (8.8)	-
	Median (IQR)	59 (14)	-
Gender (n=67)	Female	37	55.2
	Male	30	29.4
Nationality (n=56)	Saudi	52	92.9
	Non-Saudi	4	7.1
Educational level (n=47)	Undergraduate	19	40.4
	Graduate	28	59.6
Comorbidities (n=102)	Obesity	98	96.1
	Hypertension	73	71.6
	Retinopathy	14	13.7
	Myocardial infarction	10	9.8
	Cerebral infarction	5	4.9
	Nephropathy	3	2.9
	Others	3	3