ICU admission of COVID-19 patients: Identification of risk factors

Figures & data

Figure 1. Flow chart of patients’ recruitment

Table 1. Presenting symptoms of COVID-19 patients

Symptom	Number	Percentage
Asymptomatic	36	11.1
Fever	127	39.3
Sore throat	1	0.3
Cough	124	38.4
Cough and Dyspnea	18	5.6
Diarrhea	6	1,9
Melena	1	0.3
Diabetic ketoacidosis	1	0.3
Fever and cough	3	0.9
Fever and diarrhea	5	1.5
Sore throat and bone aches	1	0.3
Total	323	100

Table 2. Factors associated with ICU admission in the univariate analysis ^a.

COVID-19 Patients Variables	ICU admission (n = 62)	Ward admission (n = 261)	OR (95% CI) ^b	P value ^3
Age in years	57.9 ± 16	44 ± 15.3	1.06 (1.04–1.08)	0.000*
Gender (male)	36 (58.1)	135 (51.7)	1.29 (0.74–2.26)	0.369
Smoker	9 (14.5)	12 (4.6)	3.52 (1.41–8.79)	0.004*
Healthcare worker	9 (14.5)	94 (36)	0.30 (0.14–0.64)	0.001*
Residence (Cairo)	46 (74.2)	228 (87.4)	0.42 (0.21–0.82)	0.009*
Hypertension	25 (40.3)	40 (15.3)	3.73 (2.03–6.86)	0.000*
Diabetes mellitus	23 (37.1)	33 (12.6)	4.08(2.17–7.66)	0.000*
Chronic liver disease	0 (0)	2 (0.8)	–	0.652
Negative Chronic kidney diseases Positive On Dialysis	53 (85.5) 7 (11.3) 2 (3.2)	247 (94.6) 9 (3.4) 5 (1.9)	3.0 (1.23–7.28)	0.029

^aQuantitative data are expressed as mean ± SD; Number in parentheses adjacent to the actual number indicates percentage of cases.

^bStudent’s t-test for continuous variables and Pearson’s Chi-square test for categorical variables.

Table 3. Factors associated with ICU admission in the multivariable analysis

Risk Factor	Odds Ratio	95% confidence interval	P value
Age	1.06	1.04–1.08	0.000*
Smoking	3.33	1.24–8.90	0.017*
Living in Cairo	0.239	0.11–0.53	0.000*