Bias Limits of agreement
(bias ± 2 x SD)
Sevoflurane Filter before (n=245) -0.154 ± 0.104 -0.36 – 0.05
Sevoflurane Filter after (n=372) -0.077 ± 0.138 -0.35 – 0.19
Desflurane Filter before (n=168) -0.22 ± 0.122 -0.43 – 0.02
Desflurane Filter after (n=123) -0.085 ± 0.184 -0.45 – 0.28
Table 2: Bias and limits of agreement between pair-wise readings IRMA vs. Datex.