. 2007 Nov 15;22(1):1–9. doi: 10.1007/s10877-007-9101-0

Table 1.

Patients and volunteers entered in evaluation of step response derivation

Patients ID, sex and age	Description	PEEP (cm H₂0)	VAT (mL)	Eigenvalues	BL F₁0₂; ΔFN₂	FRC (mL)	#	Bias	Upper & lower limit of agreement	slope;	constant
030930, M, 76	ICU, sepsis, COPD	5	375	0.79	0.4	1480	7	−0.82	2.13 & −3.76	1.15;	−6.49
		10		0.84	0.1	2090
		15		0.88	0.2	2346
		20		0.91		3045
031110, M, 65	ICU, sepsis, COPD	12	235	0.89	0.4	1850	6	−0.21	2.32 & −2.7	1.13;	−5.35
		18		0.90	0.1	2200
					0.2
					0.3
031120, M, 48	ICU, HF	10	216	0.85	0.4	1228	6	−0.04	2.1 & 2.2	1.09;	−4.46
		15		0.86	0.1	1336
					0.2
					0.3
040216, F, 42	ICU, ARDS, SLE	10	280	0.72	0.5	600–800	8	0.04	0.7 & −0.63	0.93;	2.7
		15		0.77	0.1	1040
040415, F, 35	Laparoscopic, bariatric surgery	0	435	0.64	0.4	798	6	0.08	1.42 & −1.26	0.93;	3.34
		10		0.67	0.5	950
		20		0.74	0.1	1200
ALL patients							35	−0.297	1.989 & −2.58	1.07;	−3.05
Volunteers ID, sex and age
CO, F, 40	Sitting, standing	0	Variable	0.83	0.2	2500	6	−0.01	1.12 & −1.2	0.99;	−1.19
		10		0.88	0.2–0.3	2900
COH, M, 29	Sitting	0	Variable	0.74	0.2	1400	4	1.46	7.6 & −4.7	0.98;	0.45
		5		0.83	0.2	2400
		10		0.85	0.45	2668
AB, M, 38	Supine	0	Variable	0.77	0.2–0.3	1750	6	−0.35	1.7 & −2.4	1.03;	1.18
		5		0.79	0.2	2184
		10		0.77	0.35	2125
ALL volunteers							16	0.16	3.5 & −3.2	1.02;	−0.97

Age, sex, location of measurement, PEEP and FN₂ changes, baseline F₁O₂ and FRC. Results of Bland & Altman analysis of agreement and regression analysis.