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Table 1 The characteristics of included studies

From: The chest CT features of coronavirus disease 2019 (COVID-19) in China: a meta-analysis of 19 retrospective studies

References Sample size Gender Age range Symptoms
Male Female Fever Cough Myalgia or fatigue Sore throat Dyspnea Diarrhea Nausea and vomiting Sputum Headache
Zhao et al. [11] 101 56 45 44.4 (17–75) 79 63 17 12 1 3 2 NA NA
Xu et al. [12] 90 39 51 50 (18–86) 70 57 25 23 NA 5 2 NA NA
Han et al. [13] 108 38 70 45 (21–90) 94 65 56 14 NA 15 NA NA NA
Li and Xia [14] 53 28 23 58 (26–83) 46 1 3 NA NA NA NA NA NA
Xiong et al. [15] 42 25 17 49.5 (26–75) 36 27 14 NA 8 10 NA NA NA
Cheng et al. [16] 11 8 3 50.36 8 7 3 1 1 NA NA 3 NA
Xu et al. [17] 50 29 21 13.9 (3–85) 43 20 16 4 4 1 1 NA 5
Yuan et al. [18] 27 12 15 60 (47–69) 21 16 3 NA 11 NA NA NA NA
Chung et al. [19] 21 13 8 51 (29–77) 14 9 6 NA NA NA 1 NA 3
Zhang et al. [20] 17 8 9 48.6 (23–74) 12 9 13 1 1 NA NA 7 4
Pan et al. [21] 63 33 30 44.9 NA NA NA NA NA NA NA NA NA
Shi et al. [8] 81 42 39 19.5 (25–81) 59 48 7 NA 34 3 4 15 5
Li et al. [22, 29] 90 44 39 45.5 72 65 15 6 9 7 NA 15 9
Bernheim et al. [23] 121 61 60 45.3 (18–80) 74 58 NA NA NA NA NA 20 NA
Wu et al. [24] 80 38 42 44 61 58 13 9 7 7 NA 11 8
Guan et al. [25] 53 25 28 42 (1–86) NA NA NA NA NA NA NA NA NA
Bai et al. [26] 219 119 100 44.8 ± 14.5 (4–76) 142 NA NA NA NA NA NA NA NA
Song et al. [28] 51 25 26 49 ± 16 49 24 16 3 7 5 3 NA 8
Miao et al. [27] 54 28 26 45.1 ± 13.4 NA NA NA NA NA NA NA NA NA
  1. NA not available