Head-To-Head Comparison of Treatment Failure and Costs among COPD Patients Who Used Noninvasive Ventilation in the Ward versus in the ICU: A Propensity-Matched Cohort Study
Table 3
Clinical characteristics in the propensity-matched cohort.
In the ward N = 42
In the ICU N = 42
Age, years
72 ± 8
72 ± 9
0.88
Male/female
32/10
33/9
>0.99
Underlying disease
Hypotension
16 (38%)
12 (29%)
0.48
Diabetes mellitus
10 (24%)
11 (26%)
>0.99
Chronic heart disease
6 (14%)
9 (21%)
0.57
Chronic kidney disease
0 (0%)
1 (2%)
>0.99
Chronic liver disease
0 (0%)
1 (2%)
>0.99
Data collected at initiation of NIV
APACHE II score
15 ± 3
15 ± 4
0.58
GCS
14.7 ± 0.9
14.5 ± 0.8
0.31
Respiratory rate, breaths/min
25 ± 3
26 ± 8
0.49
Heart rate, beats/min
104 ± 20
106 ± 19
0.31
Mean arterial pressure, mmHg
93 ± 12
95 ± 15
0.47
pH
7.29 ± 0.04
7.29 ± 0.05
0.69
PaCO2, mmHg
77 ± 11
76 ± 16
0.82
PaO2/FiO2, mmHg
208 ± 71
214 ± 92
0.73
NIV = noninvasive ventilation, ICU = intensive care unit, GCS = Glasgow coma scale, APACHE II = acute physiology and chronic health evaluation II.