Table 1. The clinical characteristics of the study population (N = 434).
| Total%(n = 434) | Fully Vaccinated%(n = 164) | Partially vaccinated%(n = 29) | Unvaccinated%(n = 241) | p-value** | |
|---|---|---|---|---|---|
| Age, years * | 61(44–70) | 66(56–74) | 59(50–66) | 55(37.5–67) | 0.000 |
| Gender | |||||
| Male | 54.1(235) | 56.7(93) | 44.8(13) | 129(53.5) | 0.476 |
| Female | 45.9(199) | 43.3(71) | 55.2(16) | 112(46.5) | |
| Hypertension | |||||
| Yes | 49.3(214) | 58.5(96) | 48.3(14) | 43.2(104) | 0.010 |
| No | 50.7(220) | 41.5(68) | 51.7(15) | 56.8(137) | |
| Ischemic heart disease | |||||
| Yes | 15(65) | 16.5(27) | 20.7(6) | 13.3(32) | 0.398 |
| No | 85(309) | 83.5(137) | 79.3(23) | 86.7(209) | |
| Diabetes mellitus | |||||
| Yes | 43.8(190) | 46.3(76) | 51.7(15) | 41.6(99) | 0.387 |
| No | 56.2(244) | 53.7(88) | 48.3(14) | 58.9(142) | |
| Chronic obstructive airway disease | |||||
| Yes | 2.1(9) | 1.8(3) | (0) | 2.5(6) | 0.864 |
| No | 97.9(425) | 98.2(170) | 100(29) | 97.5(235) | |
| Congestive heart failure | |||||
| Yes | 1.8(8) | 2.4(4) | (0) | 1.7(4) | 0.840 |
| No | 98.2(426) | 97.6(160) | 100(29) | 98.3(237) | |
| Asthma | |||||
| Yes | 5.1(22) | 6.7(11) | 3.4(1) | 4.1(10) | 0.534 |
| No | 412(94.9) | 93.3(153) | 96.6(28) | 95.9(231) | |
| Smoking | |||||
| Yes | 1.6(7) | 2.4(4) | 3.4(1) | 0.8(2) | 0.172 |
| No | 98.4(427) | 97.6(160) | 96.6(28) | 99.2(239) | |
| Cerebrovascular accident | |||||
| Yes | 3.9(17) | 3 (5) | 10.3(3) | 3.7(9) | 0.171 |
| No | 96.1(417) | 97(159) | 89.7(26) | 96.3(232) | |
| Chronic liver disease | |||||
| Yes | 3(13) | 2.4(4) | (0) | 3.7(9) | 0.658 |
| No | 97(421) | 97.6(160) | 100(29) | 96.3(232) | |
| Chronic kidney disease | |||||
| Yes | 6.9(30) | 3.7(6) | 13.8(4) | 8.3(26) | 0.045 |
| No | 93.1(404) | 96.3(158) | 86.2(25) | 91.7(221) | |
| ≥2 Co-morbid conditions | |||||
| Yes | 28.1(122) | 31.1(51) | 31(9) | 25.7(62) | 0.489 |
| No | 71.9(312) | 68.9(113) | 69(20) | 74.3(179) | |
| Fever | |||||
| Yes | 79.7 (346) | 79.3(130) | 89.7(26) | 78.8(190) | 0.385 |
| No | 20.3(88) | 20.7(34) | 10.3(3) | 21.2(51) | |
| Cough | |||||
| Yes | 60.8(264) | 63.4(104) | 69(20) | 58.1(140) | 0.363 |
| No | 39.2(170) | 36.6(60) | 31(9) | 41.9(101) | |
| Dyspnea | |||||
| Yes | 68.9(299) | 65.2(107) | 69(20) | 57.5(172) | 0.426 |
| No | 31.1(135) | 34.(57) | 31(9) | 51.5(69) | |
| Sore throat | |||||
| Yes | 4.4(19) | 6.1(10) | 3.4(1) | 3.3(8) | 0.394 |
| No | 95.6(415) | 93.6(154) | 96.6(28) | 96.7(233) | |
| GI symptoms | |||||
| Yes | 13.6(59) | 12.2(20) | 24.1(7) | 13.3(32) | 0.219 |
| No | 86.4(375) | 87.8(144) | 75.9(22) | 86.7(209) | |
| CALL score * | 10(7.5–11) | 10(8–12) | 10(7–11) | 9(7–11) | 0.124 |
*Median (Interquartile ranges).