Meta-Analysis
Copyright ©The Author(s) 2020.
World J Diabetes. Oct 15, 2020; 11(10): 468-480
Published online Oct 15, 2020. doi: 10.4239/wjd.v11.i10.468
Table 1 Baseline characteristics of the 23 included studies
Ref.Survey periodSample sizeLocationAge (mean or median)Sex (male, %)Prevalence of diabetes (%)Quality score
Chen et al[17]2020.1.1-2020.1.2099Wuhan China55.567.6812.127
Huang et al[1]2019.12.16-2010.1.241Wuhan China49.073.1719.517
Liu et al[18]2019.12.30-2020.1.24137Wuhan China5744.5310.227
Wang et al[19]2020.1-2020.1.31138Wuhan China5654.3510.147
Zhang et al[20]2020.1.06-2020.2.3140Wuhan China5750.7112.147
Chen et al[21]2019.1 -2020 .2150Wuhan China5956.0013.335
Guan et al[22]2020.12.11-1.311590China48.956.868.189
Guo et al[23]2020.1.23-2020.2.23187Wuhan China58.548.6614.977
Guo et al[4]2020.2.10-2020.2.29174Wuhan China5943.6821.266
Huang et al[9]2019.12.21-2020.1.2834Wuhan China56.2441.1811.764
China CDC[24]As of 2020.2.1144672China-51.442.476
Lian et al[8]2020.1.17-2020.2.12788Zhejiang China45.851.657.237
Shi et al[7]As of 2020.2.17487Zhejiang China4653.185.953
Li et al[25]2020.1.18-2020.2.778Zhuhai China44.648.725.135
Liu et al[3]2020.1.15-2020.2.1856Hainan China53.7555.367.146
Wan et al[26]2020.1.23-2020.2.28135Chongqing China4753.338.895
Wang et al[27]2020.1.21-2020.2.518Zhengzhou China3955.5616.675
Wu et al[28]2019.12.25-2020.1.26201Wuhan China5163.6810.957
Xu et al[29]2020.1.23-2020.2.490Guangzhou China5043.335.566
Yuan et al[30]2020.1.11-2020.2.494Shenzhen China4044.685.326
Yuan et al[31]2020.1.1-2020.1.2527Wuhan China6044.4422.225
Zhao et al[32]2020.1.23-2020.1.3137Wuhan China4137.8410.816
Zhou et al[33]2019.12.29-2020.1.31191Wuhan China5662.3018.857
Table 2 Pooled prevalence of diabetes among coronavirus disease 2019 patients in China
ItemNumber of studiesSample sizeDiabetesPrevalence(95%CI, %)I2P values
HeterogeneitySubgroup difference
Overall2349564157310 (7-15)97%< 0.01-
Subgroup analysis
Sample size0.002
≤ 10010574559 (6-11)28%0.14
100-2008125217814 (11-16)60%0.02
> 20054958813407 (4-9)94%< 0.0001
Location< 0.0001
Wuhan, China13155622214 (12-16)35%0.12
Outside of Wuhan, China817461197 (6-8)0%0.79
China (all cities)24626214325 (0-11)99%< 0.0001
Age group< 0.0001
≤ 50 yr1033582577 (6-8)10%0.27
> 50 yr12153421413 (11-16)45%0.05
ICU admission0.94
ICU21122015 (4-26)47%0.17
Non-ICU2151911814 (3-35)78%0.03
Severity< 0.0001
Severe85539917 (14-20)0%0.92
Non-severe721901436 (5-8)41%0.05
Death0.02
Death5114612030 (13-46)89%< 0.0001
Survival54550811918 (2-15)99%< 0.0001