Variable Variable Hospital B Hospital B Hospital A Hospital A Total Total P-value
n % n % N %
Age; Mean±SD Age; Mean±SD 53.1±11.2 53.1±11.2 50.3±13.3 50.3±13.3 51.7±12.3 51.7±12.3 0.322
Gender Female 3 7.9 2 5.3 5 6.6 0.500
Male 35 92.1 36 94.7 71 93.4
BMI > 25 kg/m2 No 16 42.1 7 43.8 23 42.6 0.911
Yes 22 57.9 9 56.3 31 57.4
Healthcare worker No 37 97.4 36 94.7 73 96.1 0.556
Yes 1 2.6 2 5.3 3 3.9
Nationality Afghanistan 0 0.0 8 21.1 8 10.5 < 0.001*
Bangladesh 9 23.7 12 31.6 21 27.6
Egyptian 0 0.0 1 2.6 1 1.3
Ethiopian 0 0.0 1 2.6 1 1.3
Indian 13 34.2 0 0.0 13 17.1
Indonesia 0 0.0 1 2.6 1 1.3
Lebanon 1 2.6 0 0.0 1 1.3
Nepali 1 2.6 0 0.0 1 1.3
Nigeria 0 0.0 1 2.6 1 1.3
Pakistan 3 7.9 6 15.8 9 11.8
Philippine 2 5.3 0 0.0 2 2.6
Saudi 7 18.4 4 10.5 11 14.5
Sri Lanka 1 2.6 0 0.0 1 1.3
Sudan 1 2.6 0 0.0 1 1.3
Turkey 0 0.0 1 2.6 1 1.3
Yemen 0 0.0 3 7.9 3 3.9
Smoker Yes 3 7.9 6 15.8 9 11.8 0.578
No 21 55.3 21 55.3 42 55.3
Unknown 14 36.8 11 28.9 25 32.9
Comorbidities No 18 47.4 22 57.9 40 52.6 0.358
Yes 20 52.6 16 42.1 36 47.4