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Table 1 Characteristic of included studies (n no. of patients)

From: Lactate dehydrogenase elevations is associated with severity of COVID-19: a meta-analysis

Study, year Country Females, n (%) Median age Total patients Severe patients, n (%) LDH (increased/total), n (%)
Severe Non-severe
Huang, 2020 China 11 (26.8%) 49.0 41 13 (31.7%) 12/13 (92.3%) 17/27 (63.0%)
Wang, 2020 China 37 (54.0%) 42.0 69 14 (20.3%) 10/12 (83.3%) 15/49 (30.6%)
Zhou, 2020 China 72 (38.0%) 56.0 191 54 (28.3%) 53/54 (98.1%) 70/130 (53.8%)
Zhang, 2020 China 66 (57.4%) 49.5 115 31 (30.0%) 17/31 (54.8%) 9/84 (10.7%)
Wan, 2020 China 63 (46.7%) 47.0 135 40 (29.6%) 30/40 (75.0%) 28/95 (29.5%)
Chen, 2020 China 4 (19.0%) 56.0 21 11 (52.4%) 10/11 (90.9%) 1/10 (10.0%)