Table 2.

Comparison of SEV exhaled by the patient and SEV in the patient’s expiratory hose after the carbon filter

	ACD-100	ACD-50	t	ACD-100	ACD-50	t	ANOVA	Bonferroni
	30 min	90 min	p	60 min	120 min	p	p	Post hoc
Sevoflurane exhaled by patient (%)	0.91 ± 0.17	0.91 ± 0.21	1.000	0.99 ± 0.16	0.78 ± 0.20	< 0.001	0.003	60 ×  120
Sevoflurane lost (%)	0.07 ± 0.07	0.19 ± 0.08	< 0.001	0.11 ± 0.08	0.16 ± 0.09	0.116	< 0.001	30 ×  60 30 × 120 60 × 120
SRI	95.29 ± 6.45	85.54 ± 11.15	0.001	93.42 ± 6.55	88.77 ± 12.26	0.135	0.003	30 ×  90 60 ×  90

P values of Student’s T-test for paired samples and ANOVA p values with Bonferroni post hoc correction. Bonferroni shows between which groups of minutes there are differences

SRI Sevoflurane reflection index