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Table 1 Population characteristics

From: Survey on retinopathy of prematurity (ROP) in Italy

Parameters

N° of newborns

%

Parameters

N° of newborns

%

GA (weeks)

  

RDS

384

99.7%

22–23 - 24

92

22.6%

PDA

251

65.0%

25

102

24.2%

IVH

167

43.5%

26

134

31.8%

LPV

99

26.7%

≥ 27

90

21.4%

Fungal Sepsis

46

11.4%

   

Bacterial Sepsis

178

44.2%

BW (g)

  

BPD

208

54.9%

300–450

9

2.1%

Blood transfusions

357

89.9%

451–600

70

16.6%

EPO therapy

210

55.6%

601–750

167

39.7%

Mechanical ventilation ( > 7 days)

258

69.2%

> 750

175

41.6%

NPT ( > 7 days)

303

80.6%

Male

182

45.5%

ROP

265

62.9%

Inborn

358

88.0%

P - ROP

102

24.2%

APGAR score 5th minute ≤ 7

176

47.7%

Preplus disease

55

13.1%

PROM

122

31.9%

Plus disease

79

18.8%

Chorioamnionitis

93

27.8%

Laser treatment

89

21.1%

Antenatal steroids

331

84.0%

Adverse outcome

14

3.3%