Rate (%) | p-value | Relative Risk | CI95% | ||
Refractive errors | ROP-Laser | 25 | NS* | 1.46 | 0.43–4.95 |
ROP-NT | 16.7 | 0.97 | 0.10–9.84 | ||
MROP | 17.1 | 1 | |||
Visual acuity (<0.8) | ROP-Laser | 0 | NS* | NA | |
ROP-NT | 28.6 | 2.34 | 0.56–9.80 | ||
MROP | 12.2 | 1 | |||
Visual outcome | ROP-Laser | 30 | NS† | 1.02 | 0.35–3.01 |
ROP-NT | 28.6 | 0.97 | 0.27–3.50 | ||
MROP | 29.4 | 1 |
*Chi-square, †Mantel-Haenszel Test for Trend.