Table 4 2 × 2 Frequency table for analysis of dichotomous outcomes
Variable | Group- 2: resistant patients | Group-1:  responsive patients | P-value |
|---|---|---|---|
Subretinal fluid (pre) | Â | Â | Â |
 Presence | 2 | 5 | 0.396 |
 Absence | 11 | 10 |  |
Subretinal fluid (post) | Â | Â | Â |
 Presence | 1 | 0 | 0.464 |
 Absence | 12 | 15 |  |
OCT PED (pre) | Â | Â | Â |
 Presence | 0 | 1 | 1.000 |
 Absence | 13 | 14 |  |
Diabetic retinopathy classification | Â | Â | Â |
 Severe | 12 | 12 | 0.600 |
 Moderate | 1 | 3 |  |
Sex | Â | Â | Â |
 Male | 5 | 7 | 0.718 |
 Female | 8 | 8 |  |
Phakic or pseudophakic | Â | Â | Â |
 Pseudophakic | 9 | 9 | 0.705 |
 Phakic | 4 | 6 |  |
Affected eye | Â | Â | Â |
 Left | 6 | 9 | 0.705 |
 Right | 7 | 6 |  |