. 2026 Feb 2;26:139. doi: 10.1186/s12871-026-03618-0

Table 3.

Comparison between the two studied groups according to End tidal isoflurane

End tidal isoflurane	Group TN (n = 30)	p₀	Group PC (n = 30)	p₀	U	p
End tidal isoflurane	Median (IQR)	p₀	Median (IQR)	p₀	U	p
15 min.	1.20 (1.20 – 1.30)		1.0 (1.0 – 1.0)		35.00^*	<0.001^*
30 min.	1.20 (1.10 – 1.30)	>0.05	0.80 (0.80 – 1.0)	0.005^*	0.000^*	<0.001^*
45 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.80 – 0.80)	<0.001^*	0.000^*	<0.001^*
60 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.80 – 0.80)	<0.001^*	0.000^*	<0.001^*
75 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
90 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
105 min.	1.20 (1.20 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
120 min.	1.20 (1.15 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
135 min.	1.20 (1.20 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
150 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
165 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*
180 min.	1.20 (1.10 – 1.20)	>0.05	0.80 (0.70 – 0.80)	<0.001^*	0.000^*	<0.001^*

IQR Inter quartile range, U Mann Whitney test, p₀ p value for Friedman test for comparing between pre-operative and each period, p p value for comparing between the two studied groups

*: Statistically significant at p ≤ 0.05