The Egyptian Journal of Bronchology

Table 1 Demographic data of the studied COVID-19 patients versus the control group

From: Cognitive impact on patients with COVID-19 infection

	COVID-19 group (n=60)	Control group (n=60)	P value
Sex
Male	32 (53%)	44 (73%)	0.067
Female	28 (47%)	16 (27%)	0.067
Age (years)
Mean ± SD	52.58 ± 17.29	47.52 ± 15.05	0.09
Smoking
Smoker	14 (23.3%)	26 (43%)	0.078
Ex-smoker	8 (13.3%)	9 (15%)
Non-smoker	38 (63.3%)	25 (42%)
Education
Literate	46 (77%)	52 (87%)	0.238
Illiterate	14 (23%)	8 (13%)	0.238
Residence
Urban	10 (17%)	17 (28%)	0.189
Rural	50 (43%)	43 (72%)	0.189
Diabetes
Non-diabetic	42 (70%)	52 (87 %)	0.063
Diabetic	18 (30%)	8 (13%)	0.063
Hypertension
Not hypertensive	43 (72%)	46 (77%)	0.463
Hypertensive	17 (28	14 (23%)	0.463
SpO₂
Mean ± SD	84.67 ± 11.18	98.45 ± 0.83	<0.001*
MMSE
Mean ± SD	22.98 ± 3.95	27.62 ± 1.76	<0.001*
HAM-A
Mean ± SD	34.22 ± 10.21	8.36 ± 3.77	<0.001*
HAM-D
Mean ± SD	34.92 ± 10.42	7.12 ± 3.93	<0.001*

Continuous data were expressed as mean (± SD) and compared by Mann-Whitney test, while nominal data were expressed in frequency (percentage) and compared by χ² tests
COVID-19 coronavirus disease 2019, SpO₂ saturation of peripheral oxygen, MMSE mini-mental state examination, HAMA-A Hamilton anxiety scale, HAMA-D Hamilton depression rating scale. * indicates a highly significant p-value

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