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Table 3 Comparison of BPD, AC, FL, and Doppler values between the RDS and the non-RD

From: Values and validity of fetal parameters by ultrasound and Doppler as markers of fetal lung maturity

Parameter

Range

Mean ± S. D

t test

p value

BPD

RDS

77.3–86.3

81.01 ± 2.45

8.994

0.001*

Non-RDS

82.8–93.5

87.93 ± 3.18

FL

RDS

54–65.8

59.84 ± 3.32

9.839

0.001*

Non-RDS

62.7–73.1

68.29 ± 3.45

AC

RDS

257–299

280.4 ± 11.13

12.480

0.001*

Non-RDS

294–322

310.2 ± 9.22

UA RI

RDS

0.62–0.74

0.69 ± 0.03

6.731

0.001*

Non-RDS

0.58–0.69

0.63 ± 0.04

UA PI

RDS

0.92–1.32

1.15 ± 0.14

8.573

0.001*

Non-RDS

0.86–1.12

0.94 ± 0.09

MCA RI

RDS

0.77–0.88

0.83 ± 0.04

10.485

0.001*

Non-RDS

0.74–0.79

0.78 ± 0.01

MCA PI

RDS

0.89–1.56

1.27 ± 0.20

6.956

0.001*

Non-RDS

1.21–1.61

1.47 ± 0.10

UtA RI

RDS

0.43–0.66

0.62 ± 0.05

6.960

0.001*

Non-RDS

0.42–0.57

0.51 ± 0.04

MPA RI

RDS

0.74–0.88

0.80 ± 0.05

8.447

0.001*

Non-RDS

0.71–0.78

0.74 ± 0.02