Dose-response relationship between risk factors and incidence of COVID-19 in 325 hospitalized patients: A multicenter retrospective cohort study

doi:10.12998/wjcc.v10.i10.3047

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

World J Clin Cases. Apr 6, 2022; 10(10): 3047-3059
Published online Apr 6, 2022. doi: 10.12998/wjcc.v10.i10.3047

Table 3 The computed tomography score of the pulmonary involvement in four stages

	Stage-1 (n = 157)	Stage-2 (n = 194)	Stage-3 (n = 165)	Stage-4 (n = 211)	Stage-5 (n = 204)	Stage-6 (n = 137)	P value
Total CT score of the pulmonary involvement	2 ± 4 (0-18)	5 ± 5 (0-22)	7 ± 7 (0-22)	7 ± 7 (0-25)	5 ± 7 (0-24)	4 ± 6 (0-25)	< 0.0001¹
Number of involved lobes	22 ± 2 (0-5)	3 ± 2 (1-5)	4 ± 2 (1-5)	3 ± 2 (1-5)	3 ± 2 (1-5)	4 ± 2 (1-5)	< 0.0001¹
CT score in each lobe							< 0.0001¹
Left upper lobe	0 ± 1 (0-3)	1 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-4)	1 ± 1 (0-5)
Left lower lobe	1 ± 1 (0-5)	1 ± 2 (0-5)	2 ± 2 (0-5)	2 ± 1 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-5)
Right upper lobe	0 ± 1 (0-3)	1 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-5)
Right middle lobe	0 ± 1 (0-3)	1 ± 1 (0-5)	1 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 1 (0-5)	0 ± 1 (0-5)
Right lower lobe	1 ± 2 (0-12)	2 ± 1 (0-5)	2 ± 2 (0-5)	1 ± 2 (0-5)	1 ± 1 (0-5)	1 ± 1 (0-5)

Quantitative data were presented as mean ± SD (minimum-maximum). Mann-Whitney U test showed significant difference between Stage-1 and Stage-2-6 (P < 0.05); Wilcoxon test showed significant difference between the left lower lobe and the left upper lobe (P < 0.05); Wilcoxon test showed significant difference between the right lower lobe and the right upper/middle lobe (P < 0.05).

¹P < 0.05 by t test.

CT: Computed tomography.

Citation: Zhao SC, Yu XQ, Lai XF, Duan R, Guo DL, Zhu Q. Dose-response relationship between risk factors and incidence of COVID-19 in 325 hospitalized patients: A multicenter retrospective cohort study. World J Clin Cases 2022; 10(10): 3047-3059
URL: https://www.wjgnet.com/2307-8960/full/v10/i10/3047.htm
DOI: https://dx.doi.org/10.12998/wjcc.v10.i10.3047