Group 1

Group 2

Group 3

P value

Age,

average (years) ± SD

70.3 ± 6.2

73.7 ± 5.9

72.7 ± 6.5

0.062^a

Female gender,

n (%)

26 (70.3%)

24 (66.7%)

27 (69.2%)

0.943^b

Preoperative BCVA,

average (decimal) ± SD

0.14 ± 0.11

0.12 ± 0.13

0.13 ± 0.13

0.827^a