Table 2.
Comparison between characteristics of patients with SARS-CoV-2 and influenza, the integrated acute respiratory infections surveillance system, Egypt 2010–2022.
| Characteristic | SARS-CoV-2 (n = 5620) |
Influenza (n = 781) |
p-Value | ||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Mean age years ±SD | |||||
| Age group (years) | |||||
| 0-4 | 103 | 1.8 | 154 | 19.7 | <0.001 |
| 5-17 | 201 | 3.6 | 211 | 27.0 | |
| 18-49 | 296 | 37.3 | 311 | 39.8 | |
| 50-64 | 1815 | 32.3 | 62 | 7.9 | |
| ≥65 | 1405 | 25.0 | 43 | 5.5 | |
| Male gender | 2475 | 44.0 | 412 | 52.8 | <0.001 |
| Seasonality | |||||
| Sept–Nov | 1690 | 30.1 | 92 | 11.8 | <0.001 |
| Dec–Feb | 1368 | 24.3 | 374 | 47.9 | |
| Mar–May | 1304 | 23.2 | 171 | 21.9 | |
| Jun–Aug | 1258 | 22.4 | 144 | 18.4 | |
| Region | |||||
| Urban | 2213 | 39.4 | 210 | 26.9 | <0.001 |
| Lower Egypt | 1920 | 34.2 | 99 | 12.7 | |
| Upper Egypt | 1467 | 26.1 | 451 | 57.7 | |
| Frontier governorates | 20 | 0.4 | 21 | 2.7 | |
| Mean duration from onset to first seen at HCF (days) | 3.9 ± 3.7 | 2.8 ± 2.2 | <0.001 | ||
| Home treated | 1163 | 20.7 | 583 | 74.6 | <0.001 |
| Hospitalised | 4457 | 79.3 | 198 | 25.4 | |
| Mean age of hospitalised patients (years) | 55.3 ± 16.0 | 37.7 ± 25.3 | <0.001 | ||
| Male gender | 1953 | 43.8 | 103 | 52.0 | 0.01 |
| With chronic disease | 1463 | 32.8 | 48 | 24.2 | <0.01 |
| Severity among hospitalised patients | |||||
| Pneumonia | 3298 | 74.0 | 108 | 54.5 | <0.001 |
| Bilateral | 2054 | 62.3 | 57 | 52.8 | 0.02 |
| Unilateral | 1244 | 37.7 | 51 | 47.2 | |
| ICU admitted | 712 | 16.0 | 28 | 14.1 | 0.250 |
| Mechanical ventilator | 193 | 4.3 | 7 | 3.5 | 0.294 |
| Mean length of hospital stay (days) | 7.2 ± 6.7 | 5.4 ± 5.0 | <0.001 | ||
| Died in hospital | 727 | 16.3 | 13 | 6.6 | <0.001 |
HCF, healthcare facility; ICU, intensive care unit; SD, standard deviation.