The impact of betamethasone on fetal pulmonary, umbilical and middle cerebral artery Doppler velocimetry and its relationship with neonatal respiratory distress syndrome

Table 4 Comparison of gestational age, neonatal weight, and Doppler indices between the fetuses that subsequently did or did not develop respiratory distress syndrome (RDS)

Parameter Mean ± SD	Neonates with RDS Number = 8	Neonates without RDS Number = 17	P	OR(95% C.I)^c
Gestational age (weeks)	29.04 ± 0.14	31.31 ± 0.29	0.025*	0.1(0.08–0.13)
Neonatal weight (gr)	1886.6 ± 267	1950.5 ± 284	0.110	0.95(0.73–1.24)
Umbilical PI^a	0.937 ± 0.095	0.904 ± 0.082	0.090	2.76(0.38–19.88)
MCA PI	1.853 ± 0.113	1.863 ± 0.097	0.409	0.95(087–1.04)
Pulmonary PI	2.026 ± 0.195	2.090 ± 0.176	0.420	0.87(0–1.62)
Pulmonary RI^b	0.793 ± 0.041	0.825 ± 0.051	0.124	0.29(0.004–21.58)
Pulmonary AT (ms)	0.056 ± 0.016	0.070 ± 0.014	0.045*	0.98(0.75–0.99)
Pulmonary ET (ms)	0.242 ± 0.049	0.292 ± 0.047	0.098	1.004(0.96–1.041)
Pulmonary AT/ET	0.238 ± 0.29	0.259 ± 0.032	0.062	0.25(0.003–17.46)

^apulsatility index. ^bresistance index. ^cregression analysis was done to estimate OR(95% C.I)
*P < 0.05 was considered statistically significant

ISSN: 1471-2393