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. 2021 Apr 20;11:8562. doi: 10.1038/s41598-021-88130-w

Table 3.

The proportion estimates of underlying medical diseases and associated COVID-19 severity and mortality by gender distribution.

Male dominant studies (≤ 50%) Female dominant studies (> 50%) p value
N P (95% CI) I2 N P (95% CI) I2
Comorbidities
One comorbidity 57 0.51 (0.44, 0.57) 99.5 17 0.53 (0.40, 0.65) 98.4 0.728
Multiple comorbidities 8 0.27 (0.15, 0.40) 99.8 3 0.33 (0.16, 0.54) ID 0.617
HTN 68 0.33 (0.28, 0.38) 99.1 23 0.28 (0.22, 0.34) 99.0 0.175
DM 73 0.19 (0.16, 0.22) 98.4 27 0.16 (0.12, 0.20) 98.7 0.112
CVD 70 0.16 (0.13, 0.20) 99.0 26 0.14 (0.08, 0.22) 99.6 0.498
Obesity 18 0.26 (0.17, 0.35) 99.5 6 0.22 (0.08, 0.40) 99.8 0.957
CVA 24 0.05 (0.03, 0.06) 88.4 9 0.04 (0.02, 0.06) 88.4 0.483
Lung disease 65 0.09 (0.07, 0.11) 97.4 22 0.08 (0.05, 0.12) 98.9 0.793
Cancer/malignancy 44 0.06 (0.04, 0.07) 96.8 16 0.04 (0.01, 0.07) 98.8 0.478
CKD/other renal disease 43 0.07 (0.05, 0.10) 98.8 17 0.04 (0.02, 0.06) 97.9 0.091
Liver disease 29 0.06 (0.03, 0.09) 98.6 16 0.03 (0.01, 0.06) 97.0 0.508
Severity
One comorbidity 30 0.40 (0.35, 0.45) 96.8 8 0.46 (0.34, 0.58) 84.5 0.250
No comorbidity 30 0.17 (0.14, 0.21) 95.4 8 0.27 (0.13, 0.43) 94.4 0.682
Multiple comorbidities 7 0.38 (0.25, 0.53) 98.5 1 1.00 (0.63, 1.00) ID 0.154
HTN 43 0.38 (0.33, 0.43) 92.4 15 0.44 (0.37, 0.52) 86.5 0.288
DM 42 0.41 (0.36, 0.46) 86.3 18 0.48 (0.38, 0.57) 89.7 0.414
CVD 41 0.43 (0.36, 0.50) 89.2 16 0.47 (0.37, 0.58) 86.2 0.900
Obesity 12 0.32 (0.24, 0.40) 94.5 4 0.36 (0.19, 0.55) 95.5 0.472
CVA 15 0.39 (0.28, 0.50) 64.9 6 0.54 (0.35, 0.73) 70.8 0.293
Lung disease 37 0.41 (0.34, 0.49) 85.0 15 0.42 (0.29, 0.56) 79.7 0.517
Cancer/malignancy 23 0.34 (0.24, 0.45) 81.5 11 0.44 (0.28, 0.60) 54.5 0.809
CKD/other renal disease 25 0.40 (0.31, 0.49) 80.0 9 0.76 (0.45, 0.98) 88.7  < 0.001
Liver disease 18 0.23 (0.12, 0.35) 58.5 11 0.27 (0.14, 0.43) 41.5 0.922
Mortality
One comorbidity 24 0.29 (0.22, 0.36) 98.9 9 0.24 (0.15, 0.34) 94.3 0.514
No comorbidity 24 0.10 (0.06, 0.15) 98.7 9 0.01 (0.00, 0.03) 48.1 0.160
Multiple comorbidities 6 0.19 (0.14, 0.25) 96.4 1 0.26 (0.18, 0.36) ID 0.804
HTN 31 0.33 (0.28, 0.38) 96.4 12 0.26 (0.17, 0.37) 98.0 0.098
DM 35 0.35 (0.29, 0.41) 96.7 15 0.29 (0.19, 0.39) 96.4 0.189
CVD 35 0.43 (0.38, 0.49) 95.6 14 0.36 (0.23, 0.49) 95.0 0.151
Obesity 8 0.32 (0.22, 0.43) 96.8 4 0.17 (0.08, 0.28) 87.9 0.205
CVA 11 0.47 (0.32, 0.62) 80.9 4 0.39 (0.08, 0.73) 74.9 0.870
Lung disease 31 0.37 (0.29, 0.44) 91.8 10 0.26 (0.17, 0.36) 84.4 0.410
Cancer/malignancy 22 0.36 (0.27, 0.45) 86.7 7 0.24 (0.16, 0.34) 25.5 0.334
CKD/other renal disease 23 0.44 (0.36, 0.53) 93.1 10 0.44 (0.23, 0.66) 96.4 0.565
Liver disease 13 0.29 (0.13, 0.48) 93.7 6 0.38 (0.07, 0.75) 72.0 0.803

N Number of studies, P Proportion, CI Confidence interval, ID Insufficient data, HTN Hypertension, DM Diabetes mellitus, CVD Cardiovascular disease, CVA Cerebrovascular accident, CKD Chronic kidney disease, I2 Index for between studies heterogeneity.