Comparison of Repeated Fluid-Air Exchange and Passive Drainage for Removing Residual Emulsified Silicone Oil Droplets
Table 2
The number of silicone oil droplets before and after fluid-air exchange or passive drainage.
FA exchange
PD
‡
§
Before
After
†
Before
After
†
Number of droplets
1.17 × 106 ± 0.83 × 106
0.61 × 106 ± 0.56 × 106
0.012
1.58 × 106 ± 2.64 × 106
0.63 × 106 ± 0.39 × 106
0.305
1.000
0.280
Number of droplets with a diameter of
1-<2 µm
0.96 × 106 ± 0.70 × 106
0.51 × 106 ± 0.48 × 106
0.016
1.42 × 106 ± 2.59 × 106
0.51 × 106 ± .35 × 106
0.446
1.000
0.280
2-<3 µm
1.34 × 105 ± 0.94 × 105
0.66 × 105 ± 0.49 × 105
0.029
1.03 × 105 ± 0.41 × 105
0.81 × 105 ± 0.39 × 105
<0.001
0.853
0.280
3-<4 µm
4.18 × 104 ± 3.17 × 104
2.02 × 104 ± 1.47 × 104
<0.001
3.26 × 104 ± 1.82 × 104
2.36 × 104 ± 1.23 × 104
0.068
0.912
0.315
4-<5 µm
1.52 × 104 ± 0.93 × 104
0.79 × 104 ± 0.57 × 104
0.003
1.13 × 104 ± 0.52 × 104
0.81 × 104 ± 0.57 × 104
0.003
0.631
1.000
5-<7 µm
1.23 × 104 ± 1.31 × 104
0.62 × 104 ± 0.53 × 104
<0.001
0.81 × 104 ± 0.36 × 104
0.58 × 104 ± 0.40 × 104
0.007
0.853
0.853
7-<12 µm
0.50 × 104 ± 0.56 × 104
0.24 × 104 ± 0.14 × 104
0.004
0.36 × 104 ± .19 × 104
0.20 × 104 ± 0.17 × 104
0.012
0.739
0.353
FA, fluid-air; PD, passive drainage. Values in bold are significant at .† value for within-group comparison of the change in number of droplets. ‡ value for between-group comparison of number of droplets before performing FA or PD. § value for between-group comparison of number of droplets after performing FA or PD.
