Variable

Pre term RDS group (no = 30)

Chi square test

Mean ± SD

Range

t

p-value

BUN

(mg/dl)

day 1

18.86 ± 6.67

(9 - 43)

0.466

0.643

day 3

18.10 ± 5.93

(11.5 - 35.5)

Creatinine

(mg/dl)

day 1

0.65 ± 0.18

(0.5 - 1.3)

0.938

0.352

day 3

0.70 ± 0.23

(0.5 - 1.3)

eGFR

(ml/min/1.73m2)

day 1

23.23 ± 5.66

(11.15 - 31.02)

0.051

0.960

day 3

23.31 ± 6.01

(11.13 - 31.68)

uKIM-1 (ng/ml)

day 1

2.88 ± 1.01

(1.6 - 5.6)

4.240

0.001

day 3

1.63 ± 1.26

(0.2 - 5.1)

Survivors no. 22

Non-survivors no. 8

Mean ± SD

Mean ± SD

t

P-value

day 1

2.86 ± 0.99

2.95 ± 1.14

0.212

0.834

day 3

1.30 ± 0.90

2.30 ± 1.56

2.197

0.037