Table 2. Five-Year Incidence of Primary Open-Angle Glaucoma (POAG) Stratified by Age and Gender.

		Normal to POAG Suspect		Normal to Definite POAG		POAG Suspect to Definite POAG
Age group at Baseline (yrs)	Gender (No.)	No.	5-yearIncidence (%)	No.	5-yearIncidence (%)	No.	5-yearIncidence (%)
40–49	Male (1,380)	10	0.72	3	0.22	5	0.36
	Female (938)	5	0.53	1	0.11	2	0.21
	Combined (2,318)	15	0.65	4	0.17	7	0.30
50–59	Male (1,182)	13	1.10	3	0.25	6	0.51
	Female (796)	5	0.63	2	0.25	2	0.25
	Combined (1,978)	18	0.91	5	0.25	8	0.40
60–69	Male (425)	4	0.94	2	0.47	5	1.15
	Female (207)	2	0.97	0	0.00	3	1.45
	Combined (632)	6	0.95	2	0.32	8	1.27
>70	Male (64)	1	1.56	1	1.56	0	0.00
	Female (29)	2	6.90	0	0.00	1	3.45
	Combined (93)	3	3.23	1	1.08	1	1.08
Total	Male (3,051)	28	0.92	9	0.29	16	0.52
	Female (1,970)	14	0.71	3	0.15	8	0.41
	Combined (5,021)	42	0.84	12	0.24	24	0.48