Table 2

Final visual acuity (FVA) of patients based on duration of vision loss before surgery of primary macula-off rhegmatogenous retinal detachment

Group (vision loss in days)	Average vision loss (days)	N	FVA (logMAR)	p Value
≤3	2.5	33	0.25±0.21	<0.001
4–30+	15.4	56	0.31±0.25	<0.001
≤4	2.9	39	0.27±0.22	<0.001
5–30+	16.7	50	0.31±0.24	<0.001
≤5	3.2	43	0.27±0.21	<0.001
6–30+	17.6	46	0.31±0.25	<0.001
≤6	4.0	55	0.28±0.24	<0.001
7–30+	21.4	34	0.31±0.23	<0.001
≤7	4.2	57	0.27±0.24	<0.001
8–30+	22.2	32	0.32±0.23	<0.001
≤8	4.2	58	0.27±0.24	<0.001
9–30+	22.6	31	0.32±0.23	<0.001
≤9	4.4	60	0.28±0.24	<0.001
10–30+	23.5	29	0.31±0.23	<0.001
≤10	4.5	61	0.29±0.24	<0.001
11–30+	23.9	28	0.31±0.23	<0.001
≤11	4.5	61	0.29±0.24	<0.001
12–30+	23.9	28	0.31±0.23	<0.001
≤12	4.5	61	0.29±0.24	<0.001
13–30+	23.9	28	0.32±0.23	<0.001
≤13	5.0	64	0.29±0.23	<0.001
14–30+	25.1	25	0.32±0.24	<0.001

Mean follow-up (SD), days (6-month) 185 (±28).
Tested with independent t test. All p values were adjusted for multiple comparison using Bonferroni correction.
logMAR, logarithm of the minimum angle of resolution.