Table 3:
Intraocular Tamponade Used in the 20- and 23- Gauge Groups
Tamponade
Concentration (Range)
23-Gauge (n=50)
20-Gauge (n=50)
p-Value
Air
100%
44% (n=22)
16% (n=8)
0.0041*
SF6
20%
10% (n=5)
8% (n=4)
1.0000
C3F8
14-20%
†
44% (n=2)
68% (n=34)
0.0262*
Silicone Oil
100%
2% (n=1)
8% (n=4)
0.3622
†
mean C3F8 concentration 15.37% in 20-gauge group vs 16.8% in 23-gauge group p=0.0004.