A novel method to calculate compliance and airway resistance in ventilated patients

Intensive Care Medicine Experimental

Table 2 Bland–Altman analysis of respiratory system’s static compliance and resistance values calculated by the static and dynamic methods for individual patients

Patient	Epochs (3174)	Breaths (78,371)	Compliance mL·cmH₂O ⁻¹			Resistance cmH₂O·s·L⁻¹
Patient	Epochs (3174)	Breaths (78,371)	Mean value	Bias	LOA	Mean value	Bias	LOA
1	293	5924	35.8	0.4	1.1	21.9	0.4	1.4
2	119	4917	27.5	− 0.6	0.9	15.2	0.2	2.2
3	127	2926	58.6	1.4	0.9	14.3	0.2	0.3
4	385	8632	32.8	− 0.3	1.2	20.5	− 0.3	0.9
5	15	459	59.7	1.6	0.9	16.7	− 0.1	0.6
6	38	660	46.7	1.6	2.3	13.6	− 0.4	1.9
7	399	11,714	39.7	0.2	0.9	15.4	0.1	1.1
8	881	17,953	53.5	0.8	0.8	16.8	− 0.3	0.6
9	72	1718	49.7	1.3	0.8	17.7	-0.1	0.5
10	27	426	41.2	1.4	1.3	17.4	2.1	1.1
11	38	1123	47.5	0.7	1.1	12.2	0.8	0.4
12	26	494	52.5	0.0	0.7	12.0	− 0.1	0.2
13	248	6771	34.8	− 0.8	0.7	18.9	− 1.6	0.8
14	476	14,067	33.8	− 0.5	1.2	15.6	− 0.5	1.6
15	30	587	64.7	0.6	1.3	12.9	0.2	0.3
Median	119	2926	46.7	0.6	0.9	15.6	− 0.1	0.8
IQR	[34,339]	[624,7702]	[35.3, 53.0]	[− 0.2, 1.4]	[0.8, 1.2]	[13.9, 17.5]	[− 0.3, 0.2]	[0.5, 1.2]

Mean value = average value of all measurements used in the Bland–Altman analysis; LOA = 95% limits of agreement; IQR = interquartile range]