Parameters | All (841) | Vaccinated (174) | Unvaccinated (667) | p value |
---|---|---|---|---|
Age in yearsa | 57.11 ± 15.13 | 57.54 ± 14.60 | 57.00 ± 15.28 | 0.676 |
Gender (male/female) | 591/250 (70.27/29.73) | 121/53 (69.54/30.46) | 470/197 (70.46/29.54) | 0.852 |
Diabetes mellitus | 445(52.91) | 70(40.23) | 375(56.22) | < 0.001 |
Hypertension | 443(52.68) | 62(35.63) | 381(57.12) | < 0.001 |
Chronic kidney disease | 100(11.89) | 10(5.75) | 90(13.49) | 0.005 |
Chronic liver disease | 20(2.38) | 5(2.87) | 15(2.25) | 0.630 |
Ischaemic heart disease | 116(13.79) | 18(10.34) | 98(14.69) | 0.139 |
Immunosuppressants | 28(3.33) | 2(1.15) | 26(3.90) | 0.072 |
Malignancy | 16(1.90) | 4(2.30) | 12(1.80) | 0.667 |
COPD | 31(3.69) | 4(2.30) | 27(4.05) | 0.275 |
Bronchial asthma | 30(3.57) | 5(2.87) | 25(3.75) | 0.580 |
Interstitial lung disease | 7(0.83) | 2(1.15) | 5(0.75) | 0.605 |
Retroviral disease | 2(0.24) | 0(0) | 2(0.30) | 0.470 |
Tuberculosis | 17(2.02) | 2(1.15) | 15(2.25) | 0.359 |
APACHE II scoreb | 28(23–33) | 14(8–24.50) | 29(26–34) | < 0.001 |
SOFA scoreb | 7(4–10) | 6(4–8) | 7(4–11) | 0.005 |
Invasive mechanical ventilation | 350(41.62) | 46(26.44) | 304(45.58) | < 0.001 |
Need for RRT | 92(11.65) | 8(6.50) | 84(12.59) | 0.053 |
ABG pHa | 7.34 ± 0.13 | 7.38 ± 0.11 | 7.33 ± 0.13 | < 0.001 |
Steroid usage | 719(85.49) | 123(70.69) | 596(89.36) | < 0.001 |
PaO2/FiO2 ratiob | 110 (78.35–182.5) | 113.33 (82.27–175) | 109.31 (77.79–187.26) | 0.724 |
Duration of mechanical ventilationb (In days) | 7(3–11) | 7.5(4.5–13) | 6(3–11) | 0.158 |
Length of ICU stayb (In days) | 7(4–13) | 8(4–14) | 7(4–13) | 0.442 |