Table 2

- Comparison of heart rate, systolic arterial blood pressure, diastolic arterial blood pressure, and oxygen saturation values by groups (N=25).

Parameters	Groups		Test statistics†
Parameters	Group control (mean±sd)	Group ESPB (mean±sd)	F	P-value
Heart rate
0th min of the intervention	81.93±2.67^a	79.33±2.67	0.473	0.497
5th min of the intervention	95.00±1.51^b	74.07±1.51	96.568	<0.001
10th min of the intervention	81.88±2.80^a	79.52±2.46	0.402	0.533
15th min of the intervention	74.73±3.76^a	77.18±3.18	0.247	0.628
Test statistics‡	F=31.816; p<0.001	F=1.981; p=0.147
Systolic arterial blood pressure
0th min of the intervention	131.67±6.21^a	152.73±6.21^a	5.754	0.023
5th min of the intervention	150.53±2.63^b	128.47±2.63^b	35.267	<0.001
10th min of the intervention	144.26±7.77^ab	153.99±6.99^a	0.866	0.361
15th min of the intervention	151.54±8.28^ab	149.32±7.40^a	0.040	0.843
Test statistics‡	F=4.067; p=0.023	F=10.554; p<0.001
Diastolic arterial blood pressure
0th min of the intervention	79.73±3.34^a	83.13±3.34^a	0.519	0.477
5th min of the intervention	95.33±1.91^b	75.40±1.91^b	54.575	<0.001
10th min of the intervention	88.83±3.51^ab	88.09±3.22^ab	0.024	0.878
15th min of the intervention	90.14±4.78^ab	78.85±4.23^ab	3.127	0.092
Test statistics‡	F=12.444; p<0.001	F=17.685; p<0.001
Oxygen saturation
0th min of the intervention	97.13±0.49^a	96.20±0.49^a	1.791	0.192
5th min of the intervention	97.27±0.38^a	97.67±0.38^ab	0.558	0.461
10th min of the intervention	97.54±0.38^a	97.88±0.33^b	0.475	0.497
15th min of the intervention	97.87±0.38^b	97.77±0.34^b	0.041	0.840
Test statistics‡	F=7.028; p=0.002	F=3.202; p=0.048

*Linear mixed models, †Intergroup comparisons on each measure, ‡Comparisons between measurements in each group a and b superscripts indicate within-group measurement differences. Measurements with the same letters were statistically similar. F: Fisher exact test, min: minutes