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Table 5 Blood flow parameters of the umbilical arteries in group I and II during 40 to 50 days

From: Doppler evaluation of maternal vessels in normal gestation and threatened abortion in canines

Sr. No Parameter 40 to 50 days ‘t’ Cal ‘t’ Table
Group I
(n = 10)
Group II
(n = 10)
1 SPV (cm/sec) 29.89 ± 6.33 35.38 ± 10.94 1.37 2.101
2 EDV (cm/sec) 01.55 ± 1.50a 05.21 ± 1.17b 6.09
3 PI 01.58 ± 0.13a 01.31 ± 0.14b 4.64
4 RI 00.94 ± 0.05a 00.84 ± 0.05b 4.38
  1. [Different superscripts within same row denote significant differences (p < 0.05).]