Table 1. Demographic characteristics and comorbidities in cohorts with and without POAG.

Variable	POAG		P-value
	No	Yes
	N = 15916	N = 3979
Sex	n (%)	n (%)
Male	8405(52.8)	2104(52.9)	0.938
Female	7511(47.2)	1875(47.1)
Age, mean ± SD	71.3±7.41	71.3±7.08	0.791
Stratify aAge			0.099
60–69	6818 (42.8)	1701(42.7)
70–79	6709(42.2)	1730(43.5)
> = 80	2389 (15.0)	548(13.8)
Comorbidity
Hypertension	11858(74.5)	2950(74.1)	0.637
Diabetes	6572(41.3)	1645(41.3)	0.954
Heart failure	31(0.2)	12(0.3)	0.194
Stroke	4084(25.7)	1047(26.3)	0.399
CCI score			0.986
0	1605(10.1)	399(10.0)
1	2311(14.5)	575(14.5)
> = 2	12000(75.4)	3005(75.5)
Urbanization level			0.971
1 (most urbanized)	9732 (61.1)	2429(61.0)
2	4958(31.2)	1239(31.1)
3 (least urbanized)	1226(7.7)	311(7.8)

CCI  =  Charlson comorbidities index.

P-value: testing hypothesis of no difference between patients with and without POAG.