Concentration

Group 1

N = 30

Group 2

N = 30

Mean difference

P-value

Isofluorane (vapouriser)

1.34 ± 0.15

0.82 ± 0.12

0.52

< 0.05

FGF (LPM)

3

3

0

-

Utilisation cost

t-test

P-value

Isofluorane cost per patient (INR), mean ± SD

156 ± 3.9

113 ± 3.0

58

< 0.05

Isofluorane cost per patient (INR), mean ± SD

2.7 ± 0.35

1.9 ± 0.3

54

< 0.05