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Table 2 Median values (inter-quartile range) of PI, PR, RR, SpO2 and BP

From: Perfusion index variations in clinically and hemodynamically stable preterm newborns in the first week of life

Variables

First day

Third day

Seventh day

p value*

PI

0.9 (0.6)

1.2 (1.0)

1.3 (0.9)

<0.001

PR (beats/min.)

126.5 (14.6)

137.4 (20.7)

137.4 (16.7)

0.001

RR (breaths/min.)

42.0 (11.6)

40.1 (6.9)

40.5 (8.8)

0.889

SpO2 (%)

99.7 (1.0)

100.0 (0.6)

99.6 (1.4)

0.078

systolic BP (mmHg)

53.5 (10.0)

55.0 (7.0)

56.5 (14.0)

0.722

diastolic BP (mmHg)

36.0 (11.0)

37.0 (7.0)

38.0 (8.0)

0.845

  1. * Friedman test.