Table 1.
Demographic data for all patients included in the study, in relation to their COVID-status perioperatively. p<0.05 (bold) denotes statistical significance.
| Study Characteristics | All Patients | COVID-positive | COVID-negative | p-value |
|---|---|---|---|---|
| 418 | 19(4.5) | 399(95.5) | ||
| Age (Years) | ||||
| Mean | 51.6 | 63.37 | 50.87 | 0.005 |
| Median | 54 | 71 | 54 | |
| Gender | ||||
| Male | 219(52.4) | 6(31.6) | 193(48.4) | 0.152 |
| Female | 199(47.6) | 13(68.4) | 206(51.6) | |
| Comorbidities | ||||
| Hypertension | 91(21.8) | 11(57.9) | 80(20.1) | 0.000 |
| Diabetic | 43(10.3) | 3(15.8) | 40(10) | 0.419 |
| COPD/Asthma | 43(10.3) | 6(31.6) | 37(9.3) | 0.008 |
| Chronic Kidney disease | 14(3.3) | 2(10.5) | 12(3) | 0.129 |
| Cardiovascular disorder | 40(9.6) | 5(26.3) | 35(8.8) | 0.026 |
| Cerebrovascular disorder | 12(2.9) | 3(15.8) | 9(2.3) | 0.014 |
| Ethnicity | ||||
| White | 377(90.2) | 19(100) | 358(89.7) | 0.339 |
| Non-White | 30(7.2) | 0(0) | 30(7.5) | |
| Unknown | 11(2.6) | 0(0) | 11(2.8) | |
| ASA Grade | ||||
| I | 79(18.9) | 2(10.5) | 77(19.3) | 0.000 |
| II | 227(54.3) | 7(36.8) | 220(55.1) | |
| III | 99(23.7) | 6(31.6) | 93(23.3) | |
| IV | 13(3.1) | 4(21.1) | 9(2.3) | |
| Diagnosis | ||||
| Benign | 24(5.7) | 0(0) | 24(6) | 0.485 |
| Cancer | 250(59.8) | 12(63.2) | 238(59.6) | |
| Infection | 21(5) | 2(10.5) | 19(4.8) | |
| Trauma | 123(29.4) | 5(26.3) | 118(29.6) | |
| Reconstruction Type | ||||
| Free Flap | 247(59.1) | 8(42.1) | 239(59.9) | 0.065 |
| Pedicled Flap | 145(34.7) | 11(57.9) | 134(33.6) | |
| Replant/Major revascularisation | 26(6.2) | 0(0) | 26(6.5) | |
| Length of Stay (Number of days) | ||||
| Mean | 11.98 | 16.1 | 11.79 | 0.031 |
| Median | 8 | 15 | 8 | |
| Theatre Time (min) | ||||
| Mean | 451.03 | 436.68 | 451.74 | 0.457 |
| Median | 450 | 400 | 450 | |
| Priority Level of Surgery | ||||
| 1a (within 24 h) | 28(6.7) | 0(0) | 28(7) | 0.236 |
| 1b (within 72 h) | 88(21.1) | 5(26.3) | 83(20.8) | |
| 2 (within 4 weeks) | 239(57.2) | 14(73.7) | 225(56.4) | |
| 3 (within 3 months) | 16(3.8) | 0(0) | 16(4) | |
| 4 (More than 3 months) | 47(11.2) | 0(0) | 47(11.8) | |
| Site of Surgery | ||||
| Head and neck cutaneous | 43(10.3) | 3(15.8) | 40(10) | 0.284 |
| Head and neck mucosal | 59(14.1) | 5(26.3) | 54(13.5) | |
| Lower limb | 128(30.6) | 6(31.6) | 122(30.6) | |
| Trunk | 149(35.6) | 5(26.3) | 144(36.1) | |
| Upper limb | 39(9.3) | 0(0) | 39(9.8) | |
| Mortality | ||||
| All-cause 30-day mortality rate | 1(0.2) | 0 | 1(0.3) | 0.955 |