From: The effect of age on the incidence of COVID-19 complications: a systematic review and meta-analysis
S. no | First author | Publication year | Country | Sample size | Mean age | Quality scorea |
---|---|---|---|---|---|---|
1 | Jin et al. [20] | 2020 | China | 651 | 51 | 18 |
2 | Chen et al. [21] | 2020 | China | 99 | 55.5 | 19 |
3 | Yang et al. [22] | 2020 | China | 52 | 59.7 | 15 |
4 | Zhang et al. [23] | 2020 | China | 221 | 55 | 19 |
5 | Cao et al. [24] | 2020 | China | 102 | 54 | 19 |
6 | Huang et al. [17] | 2020 | China | 41 | 49 | 19 |
7 | Du et al. [25] | 2020 | China | 85 | 66 | 14 |
8 | Wang et al. [26] | 2020 | China | 138 | 56 | 18 |
9 | Zhao et al. [27] | 2020 | China | 77 | 52 | 17 |
10 | Guan et al. [18] | 2020 | China | 1099 | 47 | 19 |
11 | Chen et al. [28] | 2020 | China | 274 | 68 | 19 |
12 | Deng et al. [19] | 2019 | China | 225 | 69 | 17 |