Table 1 Comparison of preterm infants (n = 65) with and without retinopathy of prematurity.

From: Retinal vascular development in an immature retina at 33–34 weeks postmenstrual age predicts retinopathy of prematurity

 

Infants without ROP (n = 39)

Infants with ROP (n = 26)

P-value

Gender, n (%) male

22 (56.4%)

12 (46.2%)

0.417

Gestation age at birth (days)

207 ± 6

195 ± 9

< 0.001*

< 26 weeks, n (%)

0 (0%)

1 (3.8%)

0.400

26 + 0–26 + 6 weeks, n (%)

0 (0%)

6 (23.1%)

0.003*

27 + 0–27 + 6 weeks, n (%)

3 (7.7%)

4 (15.4%)

0.424

28 + 0–28 + 6 weeks, n (%)

8 (20.5%)

10 (38.5%)

0.113

29 + 0–29 + 6 weeks, n (%)

12 (30.8%)

4 (15.4%)

0.158

30 + 0–30 + 6 weeks, n (%)

16 (41.0%)

1 (3.8%)

0.001*

Weight at birth (g)

1273 ± 251

1036 ± 230

< 0.001*

500–750 g, n (%)

1 (2.6%)

4 (15.4%)

0.148

751–1000 g, n (%)

6 (15.4%)

9 (34.6%)

0.071

1001–1250 g, n (%)

9 (23.1%)

8 (30.8%)

0.489

1251–1500 g, n (%)

17 (43.6%)

5 (19.2%)

0.042*

> 1500 g, n (%)

6 (15.4%)

0 (0.0%)

0.073

  1. Values of gestation age and weight at birth of each group are presented as mean ± standard deviation.
  2. ROP retinopathy of prematurity, No number.
  3. *Statistically significant by the Pearson’s chi-square test or Fisher’s exact test.
Back to article page