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.