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Table 2 Adverse outcome rates according to different diagnostic criteria

From: Comparison of two novel diagnostic criteria for bronchopulmonary dysplasia in predicting adverse outcomes of preterm infants: a retrospective cohort study

Adverse Outcomes

n = 141

2018 NICHD definition

2019 Jensen definition

No BPD (n = 198)

Grade I

(n = 52)

Grade II

(n = 130)

Grade III

(n = 71)

No BPD (n = 198)

Grade 1 (n = 159)

Grade 2

(n = 54)

Grade 3

(n = 40)

Death after 36 weeks’ PMA

14/141

(9.9)

0

1/52

(1.9)

2/130

(1.5)

11/71

(15.5)

0

2/159

(1.3)

2/54

(3.7)

10/40

(25.0)

Hospitalization for respiratory reasons at ≥ 45 weeks’ PMA

26/141

(18.4)

0

2/51a

(3.9)

13/128a

(10.2)

11/60a

(18.3)

0

10/157a

(6.4)

8/52a

(15.4)

8/30a

(26.7)

Oxygen therapy or respiratory monitoring at discharge

38/141

(27.0)

3/198

(1.5)

3/51

(5.9)

17/128

(13.3)

15/60

(25.0)

3/198

(1.5)

16/157

(10.2)

9/52

(17.3)

10/30

(33.3)

Rehospitalization for respiratory diseases≥2 times

99/141

(70.2)

18/198

(9.1)

12/51

(23.5)

38/128

(29.7)

31/60

(51.7)

18/198

(9.1)

41/157

(26.1)

26/52

(50.0)

14/30

(46.7)

Late death or serious respiratory morbidity

141

21/198

(10.6)

15/52

(28.8)

55/130

(42.3)

51/71

(71.8)

21/198

(10.6)

56/159

(35.2)

34/54

(63.0)

30/40

(75.0)

  1. a: The denominators are the total number of nonmortality outcomes