Table 2.

Comparison of demographic data and clinical characteristics between POAG, NTG, and PACG patients

Demographic characteristic	POAG (N = 60)	NTG (N = 52)	PACG (N = 52)	p value
Mean age (at first diagnosis) (mean, SD)	63.0 (9.4)	59.6 (10.3)	62.3 (8.5)	0.148@
Mean age (at recruitment) (mean, SD)	68.2 (9.4)	65.6 (8.8)	66.2 (8.7)	0.269@
Duration of follow-up (mean, SD)	5.4 (4.4)	6.2 (4.4)	4.2 (3.3)	0.037 @
Sex (n, %)
Male	43 (71.7)	30 (57.7)	19 (36.5)	0.001 #
Female	17 (28.3)	22 (42.3)	33 (63.5)
Ethnicity (n, %)
Malay	30 (50.0)	32 (61.6)	33 (63.5)	0.597*
Chinese	28 (46.7)	18 (34.6)	17 (32.7)
Indian	2 (3.3)	2 (3.8)	2 (3.8)
Type of glaucoma (n, %)	60 (36.6)	52 (31.7)	52 (31.7)
Central cornea thickness, μm (mean, SD)	527.6 (28.1)	515.6 (31.0)	512.8 (40.7)	0.118@
Systemic disease
Hypertension (n, %)	44 (73.3)	38 (73.1)	29 (55.8)	0.085 #
Diabetes mellitus (n, %)	27 (45.0)	10 (19.2)	15 (28.8)	0.012 #
Ischemic heart disease (n, %)	14 (23.3)	8 (15.4)	6 (11.5)	0.236#
Hyperlipedemia (n, %)	22 (36.7)	23 (44.2)	18 (34.6)	0.566#
BMI (mean, SD)	23.1 (3.5)	24.8 (5.5)	25.8 (4.0)	0.004 @
Waist circumference (mean, SD)	89.6 (11.1)	94.6 (11.2)	95.6 (10.2)	0.008 @
Neck circumference (mean, SD)	37.4 (8.3)	35.9 (4.1)	36.4 (6.0)	0.454@
APAC (n, %)
No	–	–	35 (67.3)	–
Yes	–	–	17 (32.7)
AGIS score (n, %)
Early	12 (20.0)	7 (13.9)	8 (15.4)	0.828*
Mild	23 (38.3)	24 (46.1)	18 (34.6)
Moderate	16 (26.7)	15 (28.7)	15 (28.8)
Severe	7 (11.7)	5 (9.5)	7 (13.5)
End-stage	2 (3.3)	1 (1.8)	4 (7.7)

BMI, body mass index; APAC, acute presentation of angle-closure; AGIS, advanced glaucoma intervention study

^#p < 0.05 is considered statistical significance based on Pearson's Chi-square

^*p < 0.05 is considered statistical significance based on Fisher's exact test

^@p < 0.05 is considered statistical significance based on one-way ANOVA