Table 2.

Table 2 A. Individual Upper Airway Collapsibility Values in Men (n=14)
	Passive			Active
Subject ID	PCRIT (cm H2O)	RUS (cm H2O/L/s)	ΔPCRIT A-P (cm H2O)	PCRIT (cm H2O)	RUS (cm H2O/L/s)
A	−7.2	38.5	2.6	−9.8	54.3
B	−5.7	24.2	1.8	−7.5	32.9
C	1.2	21.7	4.1	−2.9	19.5
D	1.0	25.0	0.1	0.9	22.0
E	−6.3	21.4	2.3	−8.6	36.9
F	−0.6	68.5	1.5	−2.1	54.6
G	−2.7	15.9	0.3	−3.0	10.8
H	−10.6	21.2	5.0	−15.6	47.6
I	1.9	76.1	0.2	1.7	74.4
J	−7.9	31.4	1.8	−9.7	34.3
K	−6.0	25.7	0.8	−6.8	36.1
L	−3.8	12.3	1.9	−5.7	2.3
M	−2.0	34.9	5.7	−7.7	12.3
O	−4.7	13.4	2.6	−7.3	18.9
Mean (95%CI)	−3.8 (−5.9, −1.8)	30.7 (20.5, 41.0)	2.2 (1.2, 3.2)	−6.0 (−8.5, −3.5)	32.6 (21.2, 44.1)
SD	3.8	19.2	1.7	4.6	20.1

Table 2 B. Individual Upper Airway Collapsibility Values in Women (n=18)
	Passive			Active
Subject ID	PCRIT (cm H2O)	RUS (cm H2O/L/s)	ΔPCRIT A-P (cm H2O)	PCRIT (cm H2O)	RUS (cm H2O/L/s)
a	−3.8	21.5	4.1	−7.8	17.8
b	−4.6	25.6	2.3	−6.9	19.5
c	−4.0	15.0	2.1	−6.11	16.0
d	−8.0	40.2	3.1	−11.1	38.5
e	−2.8	46.5	11.0	−13.8	80.6
f	−14.5	81.0	4.5	−19.0	90.0
g	−4.7	32.7	5.2	−9.9	64.8
h	−13.5	67.2	2.0	−15.5	58.2
i	−8.0	30.5	2.0	−10.0	28.0
j	−5.5	33.3	8.6	−14.1	28.7
k	−4.3	21.4	1.6	−5.9	19.8
l	−1.4	26.9	1.6	−3.0	40.7
m	−8.8	33.4	3.6	−12.4	36.9
n	−2.2	44.3	3.1	−5.3	36.4
o	−3.9	16.1	8.5	−12.4	28.0
p	−5.7	22.2	6.3	−12.0	24.9
q	−11.2	25.9	7.0	−18.3	22.3
r	−8.3	64.4	6.6	−14.9	41.1
Mean (95% CI)	−6.4 (−8.2 −4.6)	36.0 (27.0 45.0)	4.6 (3.2 6.0)	−11.0 (−13.2 −8.8)	38.5 (28.4 48.5)
SD	3.8	18.5	2.8	4.5	21.6

P_CRIT = critical closing pressure; R_US = upstream resistance; ΔP_{CRIT A-P} = difference between the active and passive P_CRIT; 95% CI= confidence interval, SD = standard deviation