Table 6.

Comparison of fetal electrocardiographic parameters between CONTROL and IUGR groups.

Abdominal fetal electrocardiography	CONTROL		IUGR		Total		p-value
	n = 20		n = 15		n = 35
Parameters	mean	±sd	mean	±sd	mean	±sd
QTc	0.37	0.04	0.40	0.03	0.38	0.04	0.017*
RR	403.13	24.48	414.20	20.02	407.87	23.04	0.163
P wave	49.93	9.99	50.39	11.15	50.13	10.35	0.897
PR	105.44	14.91	100.64	18.20	103.38	16.32	0.397
PQ	55.52	14.11	50.24	15.12	53.26	14.58	0.296
QRS	43.96	15.19	44.72	10.93	44.29	13.35	0.870
QT	234.29	22.68	255.82	12.72	243.51	21.70	0.002*
PR/RR	0.26	0.04	0.24	0.04	0.25	0.04	0.197
HR	149.34	8.68	145.17	6.96	147.55	8.15	0.137

p < 0.05 alpha

^*(significant).

QTc-corrected QT interval; HR, heart rate.