Table 2.

Median of the relative differences between all sequences and variables depending on electrode type

		Butterfly electrodes	Single electrodes	p-value
		m (IQR)
Total impedance	Total	0.75 ± (0.50–1.45)	1.42 ± (0.22–4.49)	0.86
	Change1	0.75 ± (0.51–0.81)	0.23 ± (0.15–3.19)	1.00
	Change2	0.89 ± (0.48–1.88)	1.06 ± (0.13–4.13)	0.29
	Change3	1.12 ± (0.53–2.29)	3.05 ± (1.37–6.65)	0.59
Vertical impedance	Total	0.69 ± (0.55–0.96)	0 ± (0–0.42)	0.77
	Change1	0.69 ± (0.54–0.89)	0 ± (0–1.04)	0.11
	Change2	0.80 ± (0.55–1.43)	0 ± (0–0.35)	0.11
	Change3	0.78 ± (0.55–1.26)	0.13 ± (0–1.51)	1.00
Horizontal impedance	Total	0.90 ± (0.85–1.25)	1.00 ± (0.22–1.30)	0.05
	Change1	0.96 ± (0.76–1.27)	1.08 ± (0.24–1.29)	0.59
	Change2	0.92 ± (0.85–1.41)	1.10 ± (0.22–2.70)	1.00
	Change3	0.87 ± (0.55–1.22)	1.00 ± (0.25–1.17)	0.59

Data are presented as median (interquartile range)