Table 1.
Demographic and clinical characteristics of cohort and SARS‐CoV‐2 transmission risk factors
| Factor | Value, n (%) | Missing, n (%) |
|---|---|---|
| n | 3037 | |
| Demographics | ||
| Age, mean (SD) [range] | 54.0 (17.5) [15,95] | 0 |
| Sex | 0 | |
| Female | 1558 (51.3) | |
| Male | 1479 (48.7) | |
| Location | ||
| Urban | 1983 (65) | 0 |
| Rural | 1054 (35) | |
| ASA physical status | 0 | |
| 1 | 717 (23.6) | |
| 2 | 1326 (43.7) | |
| 3 | 908 (29.9) | |
| 4 | 86 (2.8) | |
| Ethnicity | 0 | |
| White | 2607 (85.8) | |
| Asian | 203 (6.7) | |
| ATSI | 16 (0.5) | |
| Black/African | 19 (0.6) | |
| Other | 192 (6.3) | |
| IRSAD (%) | 0 | |
| 1–20 | 317 (10.4) | |
| 21–40 | 382 (12.6) | |
| 41–60 | 457 (15.0) | |
| 61–80 | 587 (19.3) | |
| 81–100 | 1294 (42.6) | |
| Medical history | ||
| Cardiovascular disease (HT, HF, CAD) | 1001 (33.0) | 0 |
| Treated diabetes | 337 (11.1) | 0 |
| COPD and/or Asthma | 483 (15.9) | 0 |
| Overseas travel in 2020 | 204 (6.7) | 1 (0.0) |
| When was travel | 0 | |
| ≤2 weeks | 5 (2.5) | |
| >2 weeks | 199 (97.5) | |
| Contact with an individual with confirmed COVID‐19 | 15 (0.5) | 1 (0.0) |
| When was contact | 0 | |
| ≤2 weeks | 2 (13) | |
| >2 weeks | 13 (87) | |
| Health worker | 167 (5.5) | 0 |
| Surgery type | 0 | |
| Orthopaedic | 553 (18.2) | |
| Urology | 432 (14.2) | |
| Gynaecological | 371 (12.2) | |
| Gastrointestinal | 356 (11.7) | |
| Plastics | 250 (8.2) | |
| Neurological | 245 (8.1) | |
| Cardiac | 105 (3.5) | |
| Vascular | 85 (2.8) | |
| Other | 640 (21.1) | |
| Hospital stay | 0 | |
| ≥ 1 night stay | 1913 (63.0) | |
| Day case | 1124 (37.0) | |
| Unplanned ICU/HDU admission | 31 (1.0) | 4† (0.1) |
| Number of nights in hospital, median (IQR) | 2.0 (1.0–4.0) | 4† (0.2) |
| In‐hospital mortality | 6 (0.2) | 4† (0.1) |
†
Patients still inpatients at 4 September 2020.
ASA, American Society of Anesthesiologists; ATSI, Aboriginal or Torres Strait Islander; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; HDU, high dependency unit; HF, heart failure; HT, hypertension; ICU, intensive care unit; IRSAD, Index of Relative Socio‐economic Advantage and Disadvantage; IQR, interquartile range; SD, standard deviation.