Evidence-Based Complementary and Alternative Medicine / 2021 / Article / Tab 4 / Research Article
Lymphocyte and Platelet Counts, as well as Interleukin-6 Levels, Predict Mortality of Coronavirus Disease 2019 (COVID-19): A Systematic Review and Meta-Analysis Table 4 The baseline characteristics.
Study Year Country Type of study Sample Age Male Lymphocyte count (×109 /L) Platelet count (×109 /L) IL-6 (pg/mL) Survival Ruan et al. [a] 50 (44–81) 53 (65%) 1.42 (2.14) 222.1 (78.0) 6.8 (3.61) Zhou et al. [b] 2020 China Retrospective 191 52 (45–58) 81 (59%) 1.1 (0.8–1.5) 220.0 (168.0–271.0) 6.3 (5·0–7.9) Yang et al. [c] 2020 China Retrospective 52 51.9 (12.9) 14 (70%) 0.74 (0.40) 164 (74) Deng et al. [d] 2020 China Retrospective 225 40 (33, 57) 51 (44%) 1.00 (0.72, 1.27) Wang et al. [e] 2020 China Retrospective 339 68 (64–74) 127 (49%) 0.97 (0.68–1.37) 211 (159–268) 10.5 (4.9–18.8) Du et al. [f] 2020 China Prospective 179 56.0 ± 13.5 87 (55.1%) 0.8 (0.6–1.1) Xu et al. [g] 2020 China Retrospective 145 56 [43, 66] 59 (50.4%) 0.93 [0.65, 1.37] 14.65 [4.24, 27] Takahisa et al. [h] 2020 USA Retrospective 2820 62 [49, 73] 1128/2014 (56%) 0.90 [0.70, 1.30] 212.0 [166.0, 267.0] 45.8 [23.3, 82.4] Xu et al. [i] 2020 China Retrospective 239 57.5 ± 13.5 53 (57.6%) 0.7 [0.50–0.9] 186 [148–232] 9.1 [6.2–11.7] Death Ruan et al. [a] 2020 China Retrospective 150 67 (15–81) 49 (72%) 0.60 (0.32) 173.6 (67.7) 11.4 (8.5) Zhou et al. [b] 2020 China Retrospective 191 69 (63–76) 38 (70%) 0.6 (0.5–0.8) 165.5 (107.0–229.0) 11.0 (7.5–14.4) Yang et al. [c] 2020 China Retrospective 52 64.6 (11.2) 21 (66%) 0.62 (0.37) 191 (63) Deng et al. [d] 2020 China Retrospective 225 69 (62, 74) 73 (67.0) 0.63 (0.40, 0.79) Wang et al. [e] 2020 China Retrospective 339 76 (70–83) 39 (60%) 0.57 (0.39–0.84) 172 (103–219) 93.8 (35.9–182.3) Du et al. [f] 2020 China Prospective 179 70.2 ± 7.7 10 (47.6) 0.7 (0.5–0.8) Xu et al. [g] 2020 China Retrospective 145 73 [68, 77.25] 17 (60.7) 0.56 [0.32, 0.94] 29.8 [14.6, 63.89] Takahisa et al. [h] 2020 USA Retrospective 2820 76 [65, 85] 483/806 (59.9) 0.80 [0.50, 1.10] 197.0 [146.0, 252.0] 152.4 [79.1, 303.8] Xu et al. [i] 2020 China Retrospective 239 65.7 ± 12.2 90 (61.2%) 0.6 [0.4–0.8] 160 [110–206] 9.1 [7.1–12.9]