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 1
Clinical characteristics of the patients who used NIV in the ward versus those in the ICU.
In the ward N = 83
In the ICU N = 319
Age, years
71 ± 8
73 ± 9
0.10
Male/female
63/20
243/76
>0.99
Underlying disease
Hypotension
27 (33%)
110 (35%)
0.80
Diabetes mellitus
16 (19%)
61 (19%)
>0.99
Chronic heart disease
13 (16%)
63 (20%)
0.44
Chronic kidney disease
0 (0%)
14 (4%)
0.08
Chronic liver disease
1 (1%)
10 (3%)
0.47
Data collected at initiation of NIV
APACHE II score
15 ± 2
16 ± 4
0.09
GCS
14.8 ± 0.7
14.4 ± 1.5
0.02
Respiratory rate, breaths/min
24 ± 3
28 ± 6
<0.01
Heart rate, beats/min
98 ± 19
108 ± 22
<0.01
Mean arterial pressure, mmHg
91 ± 11
100 ± 18
<0.01
pH
7.29 ± 0.05
7.26 ± 0.06
<0.01
PaCO2, mmHg
80 ± 13
83 ± 17
0.08
PaO2/FiO2, mmHg
228 ± 70
208 ± 90
0.05
NIV = noninvasive ventilation, ICU = intensive care unit, GCS = Glasgow coma scale, APACHE II = acute physiology and chronic health evaluation II.
