Indicators | Description |
---|---|
Age of patients | • Cases range between 25 and 89 years, with most patients aged between 35 and 55 years and fewer cases among children and infants [14] |
• Median age of patients is 59 years, ranging from 51 to 89 [2] | |
• Average age of patients was 55.5 years; age distribution: ≤ 39: 10%; 40–49: 22%, 50–59: 30%; 60–69: 22%, ≥ 70: 15% [19] | |
• Cases range from 2 to 72 years [20] | |
Sex of patients | • More cases were males [20] |
• 59% males [2] | |
• 68% males [19] | |
Age of the deaths | • Median age of death was 75 (with a range between 48 and 89 years) [21] |
Exposure history | |
• Wuhan residents or people who visited Wuhan [20] | |
Incubation time | • 4.8 ± 2.6 days (2–11 days) [15] |
• 5.2 days (4.1–7 days) [2] | |
• Average of 7 days (2–14 days) [23] | |
• Average of 10 days [22] | |
• 5–6 days [24] | |
• Average of 6.4 days (5.6–7.7 days) [20] | |
Basic Reproduction (R0) | • 2.6 (uncertainty range: 1.5–3.5) [25] |
• 3.8 (95% CI: 3.6–4.0) [26] | |
• 2.2 (1.4–3.8) [27] | |
• 4.71 (4.50–4.92) [24] | |
• 2.68 (95% CI: 2.47–2.86) [28] | |
Susceptible populations | • Elderly people [21] |
• People with poor immune function [2] | |
• People with long-term use of immunosuppressive agents [19] | |
• Surgery history before admission [21] | |
Mortality rate | • 3% (between 29 December 2019 to 23 January, 2020) [15] |
• 2.3% (as of 28 January 2020) [29] | |
• 2.8% (as of 25 January, 2020) [21] | |
• 2.9% (as of 25 January, 2020) [30] | |
• 11% (as of 25 January, 2020) [19] | |
• 3.1% (as of 24 January 2020) [31] |