Table 2

 Causes of retinal redetachment at the 3 month postoperative visit and number of operations required to achieve retinal attachment

Group AGroup Bp Value
Reasons for failure
PVR1 (2%)9 (20%)0.0159
New break1 (2%)2 (4%)1.0
Failure of treatment2 (5%)1 (2%)0.6034
Number of operations required 0.171
14 (10%)3 (7%)
21 (2%)5 (11%)
302 (4%)