Table 1

Incidence of Retinopathy of Prematurity (ROP) by patient characteristics.

n

No ROP (%)

≤ stage 2 ROP (%)

> stage 2 ROP (%)


Total cohort

576

63.4

28.8

7.8

Gender

boys

308

64.6

27.0

8.4

girls

268

61.9

31.0

7.1

Gestational age

≤ 25 weeks

61

4.9

59.0

36.1

26–28 weeks

198

42.9

47.0

10.1

> 28 weeks

317

87.4

11.7

1.0

Race

White

433

62.8

27.7

9.5

Black

109

68.8

18.7

2.8

Other

34

52.9

44.1

2.9

Use of antenatal steroids

no

153

60.1

31.4

8.5

0.5 course

83

59.0

28.9

12.1

1 course

236

66.1

27.5

6.4

2 courses

51

62.8

25.5

11.8

≥ 3 courses

53

67.9

30.2

1.9

Respiratory distress syndrome

no

293

78.5

18.1

3.4

yes

283

47.7

39.9

12.4

Ventilator

no

200

87

12.5

0.5

1 week

174

82.8

15.5

1.7

>1 – 2 weeks

48

54.2

39.6

6.3

>2 weeks

154

13.6

61.7

24.7

Use of postnatal steroids

no

422

78.7

19.2

2.1

1 week

47

37.2

61.7

2.1

> 1 – 2 weeks

38

15.8

52.6

31.6

> 2 weeks

62

6.5

21.7

48.9

Oxygen for 36 weeks

no

474

70.9

23.3

4.9

yes

102

28.4

50.0

21.6


Karna et al. BMC Pediatrics 2005 5:18   doi:10.1186/1471-2431-5-18

Open Data