Table 6: Factors associated with in-hospital mortality.
Parameters at admission |
Overall (N = 511) |
Survivors (N = 484) |
Non-survivors (N = 27) |
p |
BMI, mean ± SD, kg/m2 |
27.83 ± 4.82 |
27.85 ± 4.74 |
27.34 ± 6.11 |
0,589 |
Age years |
56.2 ± 15.5 |
55.4 ± 15.2 |
69.2 ± 14.8 |
< 0.0001* |
Sex (male) |
48.1 (246) |
47.7(231) |
55,6(15) |
0.429 |
Smokers |
13.9 (69) |
13.4 (63) |
23,1 (6) |
0.166 |
Comorbidities |
||||
Heart disease |
12.5 (64) |
11.2 (54) |
37.0 (10) |
< 0.0001* |
Hypertension |
33.1 (169) |
32.4 (157) |
44.4 (12) |
0.197 |
Diabetes mellitus |
25.8 (132) |
24.0 (116) |
59.3 (16) |
< 0.0001* |
Asthma |
5.5 (28) |
5.6 (27) |
3.7 (1) |
0.678 |
COPD |
1.8 (9) |
1.2 (6) |
11.1 (3) |
0.0001* |
Chronic kidney disease |
2 (10) |
1.5 (7) |
11.5 (3) |
0.0003* |
Symptoms |
||||
Cough |
75.5 (385) |
75.0 (363) |
84.6 (22) |
0.268 |
Dyspnea |
51.2 (261) |
49.4 (239) |
84.6 (22) |
0.0008* |
SpO2 > 92% |
61.8 (315) |
64.3 (311) |
15.4 (4) |
< 0.0001* |
Air ambient Oxy-sat (%) |
90.3 ± 9.6 |
91.2 ± 8.01 |
72.8 ± 17.1 |
< 0.0001 |
Hemoglobin (g/l) |
12.86 ± 1.75 |
12.9 ± 1.7 |
12.4 ± 2.1 |
0.162 |
Polynuclear neutrophils (/mm3) |
5961 ± 3603 |
5845 ± 3557 |
7898 ± 3879 |
0.004* |
Lymphocytes (/mm3) |
1184 ± 729 |
1187 ± 724 |
1134 ± 816 |
0.719 |
ESR (1st hour) (mm) |
65.3 ± 37.6 |
65.2 ± 37.9 |
67.0 ± 31.2 |
0.850 |
C-reactive protein (mg/l) |
54.5 ± 59.0 |
52.9 ± 57.8 |
82.5 ± 72.1 |
0.017* |
LDH level (u/l) |
555.4 ± 305.7 |
547.0 ± 294.4 |
738.4 ± 466.3 |
0.009* |
D-dimers > 1600 ng/ml |
25.7 (75) |
24.0 (64) |
44.0 (11) |
0.03* |
Kaliemia (mmol/l) |
3.90 ± 0.47 |
3.87 ± 0.46 |
4.15 ± 0.70 |
0.017* |
Natremia (mmol/l) |
136.8 ± 4.67 |
136.7 ± 4.64 |
138.6 ± 5.01 |
0.092 |
CT extent of covid-19 |
||||
< 10% |
21.6 (106) |
22.3 (104) |
8.7 (2) |
0.147 |
10-25% |
17.8 (87) |
18.2 (85) |
8.7 (2) |
0.245 |
25-50% |
2.2 (138) |
28.1 (131) |
30.4 (7) |
0.904 |
50-75 |
16.9 (83) |
15.8 (74) |
39.1 (9) |
0.004* |
> 75 |
2.2 (11) |
1.9 (9) |
8.7 (2) |
0.032* |
Length of stay in the hospital(day) |
10.1 ± 6.5 |
10.0 ± 6.2 |
11.1 ± 9.9 |
0.332 |
Quantitative and categorical data were expressed as mean ± standard deviation and number (%), respectively. p (probability) : p < 0.05 (*Student Test) |