Table 2.

Factors associated with risk of primary angle-closure glaucoma

Variable	Crude	Adjusted†
	OR (95% CI)	OR (95% CI)
Comorbidity
Hypertension	1.45 (1.34 to 1.56)***	0.97 (0.88 to 1.07)
Ischaemic heart disease	1.35 (1.24 to 1.46)***	0.92 (0.83 to 1.01)
Hyperlipidaemia	1.45 (1.34 to 1.57)***	1.11 (1.01 to 1.21)*
Congestive heart failure	1.00 (0.86 to 1.17)	–
Cardiac arrhythmias	1.22 (1.10 to 1.35)***	0.91 (0.81 to 1.02)
Peripheral vascular disorders	1.44 (1.22 to 1.69)***	1.02 (0.86 to 1.21)
Stroke	0.98 (0.86 to 1.14)	–
Headaches	1.31 (1.21 to 1.42)***	1.13 (1.04 to 1.23)***
Migraine	1.10 (0.90 to 1.35)	–
Epilepsy	0.83 (0.56 to 1.24)	–
Dementia	0.98 (0.79 to 1.21)	–
Rheumatoid arthritis	0.98 (0.51 to 1.89)	–
Systemic lupus erythematosus	1.50 (0.40 to 5.66)	–
Chronic obstructive pulmonary disease	1.19 (1.08 to 1.31)***	0.88 (0.79 to 1.00)
Asthma	1.17 (1.04 to 1.32)***	0.98 (0.86 to 1.11)
Pulmonary circulation disorders	1.23 (0.79 to 1.90)	–
Diabetes	1.41 (1.28 to 1.55)***	1.03 (0.93 to 1.15)
Hypothyroidism	1.31 (0.90 to 1.92)	–
Renal failure	1.29 (1.15 to 1.44)***	0.93 (0.82 to 1.05)
Liver diseases	1.40 (1.29 to 1.53)***	1.14 (1.03 to 1.25)*
Peptic ulcers	1.44 (1.33 to 1.55)***	1.10 (1.01 to 1.20)*
Hepatitis B	1.21 (1.02 to 1.43)*	1.09 (0.91 to 1.31)
Tuberculosis	1.18 (0.92 to 1.50)	–
Deficiency anaemia	1.20 (0.97 to 1.49)	–
Depression	1.47 (1.29 to 1.68)***	1.12 (0.98 to 1.29)
Psychosis	1.19 (0.99 to 1.43)	–
Metastatic cancer	2.01 (0.18 to 22.1)	–
Solid tumour	1.22 (1.03 to 1.44)*	1.01 (0.85 to 1.20)
Cataract	3.82 (3.53 to 4.14)***	3.80 (3.49 to 4.14)***

*p<0.05; **p<0.01; ***p<0.001.

†Covariables which were significantly associated with risk of PACG in univariable unconditional logistic regression model were further analysed by multivariable unconditional logistic regression model.