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. 2024 Aug 2;10(15):e35570. doi: 10.1016/j.heliyon.2024.e35570

Table 5.

Association of comorbidities, age, and mortality rate.

Comorbidity Total patients with specific comorbidity (%) Total deaths in COVID-19 patients with specific CM (%) Age groups
Young (15–24 years)
Adult (25–54 years)
Middle age (55–64 years) Old age (≥65 years)
No. of deaths Frequency (%) Chi-Square test
No comorbidities 223 (36.1 %) 9 (4 %) Young 2 0.9 χ2 = 12.097 df = 3
p = 0.007
Adult 4 1.8
Middle age 2 0.9
Old age 9 4
HTN 260 (42.1 %) 97 (37.3 %) Young 0 0 χ2 = 37.208 df = 3
p <0.001
Adult 9 3.5
Middle age 22 8.5
Old age 66 25.4
DM 209 (33.8 %) 73 (34.9 %) Young 0 0 χ2 = 62.936 df = 3
p <0.001
Adult 11 5.3
Middle age 19 9.1
Old age 43 20.6
IHD 102 (16.5 %) 44 (43.1 %) Young 0 0 χ2 = 57.696 df = 3
p <0.001
Adult 4 3.9
Middle age 3 2.9
Old age 37 36.3
Asthma 69 (11.2 %) 33 (47.8 %) Young 0 0 χ2 = 57.569 df = 3
p <0.001
Adult 1 1.4
Middle age 10 14.5
Old age 22 31.9
CKD 49 (7.9 %) 27 (55.1 %) Young 0 0 χ2 = 53.399 df = 3
p <0.001
Adult 0 0
Middle age 3 6.1
Old age 24 49
TB 12 (1.9 %) 10 (83.3 %) Young 0 0 χ2 = 67.774 df = 3
p <0.001
Adult 0 0
Middle age 3 25
Old age 7 58.3

Abbreviations: CM=Comorbidities, HTN= Hypertension, DM = Diabetes mellitus, IHD= Ischemic heart disease, CKD= Chronic kidney disease, TB = Tuberculosis.