Table 2 Complications of preterm infants with different levels of BPD

Septicemia (n, %)

0 (0)

3 (1.6)

1 (3.8)

1.435

0.231

Sepsis (n, %)

2 (5.1)

28 (15.1)

6 (23.0)

4.944

0.084*

NEC (n, %)

1 (2.5)

6 (3.2)

1 (3.8)

0.087

0.769*

Infection (n, %)

18 (46.1)

115 (62.1)

14 (53.8)

3.701

0.157

Pneumonia (n, %)

21 (53.8)

98 (52.9)

10 (38.4)

2.016

0.365

Apnea (n, %)

4 (10.2)

38 (20.5)

7 (26.9)

3.149

0.207

Respiratory failure (n, %)

0 (0)

7 (3.7)

2 (7.6)

2.718

0.099

Pulmonary hemorrhage (n, %)

1 (2.5)

19 (10.2)

10 (38.4)

17.052

< 0.001*

NRDS (n, %)

7 (17.9)

81 (43.7)

19 (73.0)

19.647

< 0.001

ARDS (n, %)

0 (0)

2 (1.0)

0 (0)

0.021

0.884*

Circulatory Failure (n, %)

0 (0)

28 (15.1)

6 (23.0)

13,460

0.001*

Pulmonary hypertension (n, %)

0 (0)

0 (0)

1 (3.8)

4.301

0.038*

Anemia (n, %)

35 (89.7)

165 (89.1)

26 (100.0)

5.569

0.062*

PDA (n, %)

5 (12.8)

53 (28.6)

12 (46.1)

8.746

0.013

Hypoproteinemia (n, %)

21 (53.8)

116 (62.7)

20 (76.9)

3.566

0.168

Electrolyte disorders (n, %)

17 (43.5)

86 (46.4)

17 (65.3)

3.622

0.164

ROP (n, %)

6 (15.3)

40 (21.6)

4 (15.3)

1.169

0.557

Paraventricular white matter softening (n, %)

1 (2.5)

3 (1.6)

0 (0)

0.617

0.432*

Intraventricular hemorrhage (n, %)

0 (0)

1 (0.5)

0 (0)

0.011

0.918*

Intracranial hemorrhage (n, %)

7 (17.9)

44 (23.7)

7 (26.9)

0.841

0.657