Table 2: Comparison between the survivors and non-survivors
regarding different clinical, physiological, radiological and laboratory variables.
|
Variable |
Survivors
(n = 25) |
Non-survivors
(n = 8) |
p value |
|
Age (years) |
55.2 ± 6.9 |
61.1 ± 9.4 |
0.091 |
|
Smoking History Current smoker Smoking index |
8 (32%) 38.7 ± 25.4 |
2 (25%) 46.3 ± 11.9 |
FEp =
1.0 0.13 |
|
BMI (kg/m2) |
29.8 ± 7.8 |
21.6 ± 4.2 |
0.008* |
|
Dyspnea (MMRC scale) |
2.4 ± 0.9 |
3.6 ± 0.5 |
0.001* |
|
Comorbidities |
18 (72%) |
6 (75%) |
FEp =
1.0 |
|
mPAP |
31
± 6.1 |
32.1
± 12 |
0.643 |
|
Exacerbation ≥ 3
times/yr; Y/N |
16/9 (64%) |
6/2 (75%) |
FEp =
0.687 |
|
Failure of NIV trial; Y/N (%) |
4/21 (16%) |
4/4 (50%) |
FEp = 0.074 |
|
Plain chest X-ray [n (%)] Consolidative patcha,
Consolidative patch 14th day |
11 (44%) 1 (4%) |
4 (50% ) 2 (25%)$ |
FEp =
1.0 FEp =
0.01* |
|
Laboratory investigations heamatocrit
(%) |
49.8 ± 7.5 |
43.8 ± 7.6 |
0.101 |
|
Total WBC (103/μL) |
10 ± 4.6 |
17.3 ± 10.5 |
0.065 |
|
Na (mmol / L) |
138.8 ± 4.4 |
133.3 ± 8.7 |
0.08 |
|
K (mmol /L) |
4.3 ± 0.6 |
4.2 ± 0.6 |
0.583 |
|
Ca
(mg/dl) |
8.3 ± 0.5 |
8.2 ± 0.5 |
0.844 |
|
Cl (mmol /L) |
96.6 ± 3.6 |
92 ± 6.6 |
0.034* |
|
BUN (mg/dl) |
25.9 ± 16.5 |
32.6 ± 12.5 |
0.077 |
|
Cr (mg/dl) |
0.9 ± 0.5 |
1.2 ± 0.7 |
0.33 |
|
albumin (g/dl) |
3.0 ± 0.5 |
2.8 ± 0.4 |
0.19 |
|
ABG on admission pH PCO2 (mmHg) PO2 (mmHg) |
7.31 ± 0.05 70.5 ± 12.6 48.1 ± 13.8 |
7.34 ± 0.10 61.5 ± 32.0 61.5 ±32.0
|
0.385 0.264 0.569 |
BMI (kg/m2):
body mass index (kilogram/meter2), WBC: white blood count, Na:
sodium, Ca: calcium, K:
potassium, Cl: chloride, BUN: blood urea nitrogen,
Cr: creatinine, Y/N: yes/no,
yr:
year, a: admission, ABG: arterial blood gases, PaO2 (mmHg): partial
arterial pressure of oxygen, PaCO2 (mmHg): partial arterial pressure
of carbon dioxide,
$: developed
new consolidation on the 14th day, significance by Mann Whitney
test, FEp
=: Fisher's Exact test, *significant if p ≤ 0.05.