Table 2.
Overview of studies calculating incubation period for SARS-CoV-2
| Authors | (n/N)┼ | Incubation period (days) | ||
|---|---|---|---|---|
| Median [IQR] | Mean±SD | Range | ||
| Guan et al. [27] | 291/1099 | 4 [2.0–7.0] | - | - |
| Ki and Task Force for 2019-nCoV [28] | 10/28 | 3 | 3.9 | 0–15 |
| Chen et al. [43] | 12/ 12 | - | 8 | 1–13 |
| Gao et al. [7] | 6/15 | 10 | - | 3–12 |
| Huang et al. [8] | 6/8 | 2.0 | - | 1–4 |
| Pung et al. [38] | 19/36 | 4 [3.0–6.0] | - | - |
| Song et al. [39] | 22/24 | - | - | 2–13 |
| Tian et al. [44] | 262/262 | - | 6.7 ±5.2 | - |
| Wang et al. [25] | 631/631 | - | Max 19 | |
| Xia et al. [40] | 9/10 | - | 7 ± 2.59 | 2–14 |
|
Xu et al. [54] Imported Secondary Tertiary |
15/51 17/51 19/51 |
8 [4.0–10.0] 8 [4.0–11.0] 12 [9.0–14.0] |
- | - |
| Bernard et al. [41] | 3/3 | - | - | 3–7 |
| Yu et al. [30] |
132/333 G1 (n=64) G2 (n=57) G3 (n=11) |
7.8 [5.0–8.2] 7.5 [5.0–7.9] 9 [5.0–8.0] |
- - - |
0.5–20 0.5–23 1–14 |
| Zheng et al. [45] | 61/73 | - | - | Max 26 |
| Zhao et al. [46] | 6/136 | 6 [4.0–11.0] | - | 1–21 |
| Zhang et al. [59] | 194 | - | 7.44 | 0.08–18 |
| Xiao et al. [31] | 2555/ 4741 | - | 8.98 | - |
| Wong et al. [32] | 135/135 | 5.0 | - | 1–11 |
| Tan et al. [48] | 164 | 5.0 | 5.7±3.5 | 1–17 |
| Nie et al. [60] | 2907/7015 | 5.0 [2.0–8.0] | - | Max 24 |
| Lou et al. [50] | 45/80 | 5.0 [2.0–10.0] | - | 0–23 |
| Liu et al. [62] | 58/365 | 5.0 [3.0–8.0] | 6.0 | 1–16 |
| Li et al. [49] | 74/74 | 5.0 [4.0–7.0] | - | - |
| Alsofayan et al. [53] | 309/1519 | 6.0 [7.5] | - | - |
| Bohmer et al. [42] | 16 | 4.0 [2.3–4.3] | - | - |
| You et al. [36] | 169/198 | 7.0 [4.5–10] | 8.0±4.75 | 0–23.5 |
┼Proportion of cases on which was calculated the incubation period among all participants in the study
SD standard deviation, IQR interquartile range