Table 3 Comparisons of hypotony and ocular hypertension rates between 27- and 25-gauge vitrectomy

27-gauge vitrectomy (100 eyes)

15.0 ± 5.8 (5-41)

2/100 eyes (2%)

4/100 eyes (4%)

15.0 ± 5.1 (7-38)

0/100 eyes (0%)

2/100 eyes (2%)

25-gauge vitrectomy (100 eyes)

16.3 ± 7.9 (3-48)

6/100 eyes (6%)

11/100 eyes (11%)

15.5 ± 4.7 (6-41)

0/100 eyes (0%)

1/100 eyes (1%)

P value

0.2701^a

0.1489^b

0.0602^b

0.2701^a

>0.9999^b

0.5607^b