Table 3.

Comparison of RDW between PACG and control subjects, stratified according to age and gender

	PACG group	Control group	t value	p value
Male	12.96 ± 0.84	12.65 ± 0.53	6.349	< 0.001
< 50	12.63 ± 0.61	12.34 ± 0.52	2.250	0.027
40–50	13.08 ± 1.07	12.67 ± 0.56	3.287	0.001
50–60	12.96 ± 0.82	12.65 ± 0.50	4.002	< 0.001
> 70	13.00 ± 0.68	12.75 ± 0.53	2.951	0.004
Female	13.02 ± 0.81	12.65 ± 0.52	10.452	< 0.001
< 50	13.17 ± 1.08	12.62 ± 0.55	3.640	< 0.001
40–50	12.96 ± 0.88	12.56 ± 0.56	5.066	< 0.001
50–60	12.94 ± 0.63	12.64 ± 0.50	6.015	< 0.001
> 70	13.14 ± 0.83	12.75 ± 0.53	5.804	< 0.001

Data are expressed as mean ± standard deviation (SD). The independent Student’s t test was used

PACG primary angle-closure glaucoma, RDW red blood cell distribution width