Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Comparison of the maternal age, gravidity, and parity between the RDS and the non-RDS groups

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

		Range	Mean ± S. D	t test	p value
Maternal age	RDS	21–37	27.84 ± 4.59	0.153	0.879
Maternal age	Non-RDS	20–37	28.01 ± 4.36	0.153	0.879
Gravidity	RDS	1–6	2.42 ± 1.43	1.138	0.258
Gravidity	Non-RDS	1–4	2.12 ± 0.98	1.138	0.258
Parity	RDS	0–4	1.42 ± 1.22	0.933	0.353
Parity	Non-RDS	0 – 4	1.37 ± 1.18	0.933	0.353

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