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. 2019 Sep 30;26(3):158–162. doi: 10.4103/meajo.MEAJO_64_17

Table 1.

Analysis of refractive and functional outcome in the eyes of babies with and without retinopathy of prematurity

Refractive and functional outcome ROP present eyes (n=398) Incidence % (95% CI) ROP absent eyes (n=1198) Incidence % (95% CI) χ2; P RR (95% CI) Outcome variables in cohort (n=1596) Incidence % in cohort
Myopia
 Yes 79 19.85 (16.72-23.30) 173 14.44 (12.83-16.18) 6.57; 0.01 1.37 (1.08-1.99) 252 15.79 (14.3-17.34)
 No 319 1025
Hypermetropia
 Yes 34 8.54 (6.45-11.08) 62 5.16 (4.2-6.31) 5.4; 0.02 1.65 (1.10-2.47) 96 6.02 (5.1-7.1)
 No 364 1136
Astigmatism
 Yes 241 60.55 (56.47-64.52) 647 54.01 (51.63-56.37) 5.19; 0.02 1.12 (1.02-1.23) 888 55.64 (53.6-57.68)
 No 157 551
Strabismus
 Yes 20 5.03 (3.45-7.09) 10 0.83 (0.48-0.137) 26.2; <0.1 6.02 (2.84-12.75) 30 1.88 (1.38-2.51)
 No 378 1188

χ2: Chi-square, P: Probability, RR: Relative risk, CI: Confidence interval, ROP: Retinopathy of prematurity

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