Table 2

Central tendencies and coefficient of variances of physiological variables before, during and after KC intervention

Variables
Measures
Before KC
During KC
After KC

Heart rate (bpm)
Mean
149.4 ± 6.3
150.0 ± 10.0
150.4 ± 8.7

CV
6.8 ± 3.2
4.6 ± 1.3*
7.5 ± 4.7 †
Respiratory rate (bpm)
Mean
39.4 ± 8.9
44.0 ± 5.1**
39.7 ± 7.9 † †

CV
24.1 ± 5.4
22 ± 6.7
19.7 ± 7.6
SpO2(%)
Mean
98.0 ± 1.3
97.6 ± 2.5
97.5 ± 1.7

CV
2.3 ± 1.4
1.5 ± 0.9
2.9 ± 2.4
Left-rSO2(%)
Mean
46.8 ± 5.6
47.3 ± 6.1
47.5 ± 7.3

CV
6.6 ± 4.1
5.8 ± 3.3
4.1 ± 1.6
Right-rSO2(%)
Mean
48.6 ± 6.9
49.1 ± 9.4
47.8 ± 6.9

CV
7.2 ± 4.6
7.2 ± 5.5
5.6 ± 2.3
Body temperature, (°C)
Mean
37.0 ± 0.2***
37.3 ± 0.3


Median (range)
37.1 (36.6 – 37.4)
37.3 (36.8 – 37.4)


Data were expressed as mean ± SD or median (range). * p < 0.05, ** p < 0.01, *** p < 0.001, before versus during KC and † p < 0.05, † † p < 0.01, during versus after KC. CV: coefficient of variance, rSO2: regional cerebral oxygenation.

Begum et al. BMC Pediatrics 2008 8:51   doi:10.1186/1471-2431-8-51