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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