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. 2023 Jan 10;7:22. Originally published 2022 Jan 24. [Version 3] doi: 10.12688/wellcomeopenres.17403.3

Table 2. Prevalence of COPD exacerbation in COVID-19 patients.

Cohort US
CU-AMC 		US
CUIMC 		US
HealthVerity 		US
IQVIA
OpenClaims 		US
Optum
EHR 		US
STARR-
OMOP 		US
VA-
OMOP 		KR
HIRA 		UK
CPRD 		ES
SIDIAP 		FR
LPD
France
Diagnosed COVID-19
Prevalence (%), 95%CI		 6.4
4.8-8.5		 1.9
1.1-3.1		 3.7
3.3-4.2		 5.0
4.8-5.2		 6.2
5.8-6.7		 4.1
2.2-7.6		 2.9
2.6-3.2		 - <1.9 1.8
1.6-2.0		 <0.8
Hospitalized COVID-19
Prevalence (%), 95%CI		 12.0
8.8-16.2		 1.3
0.6-2.8		 8.6
7.3-10.1		 7.7
7.4-8.0		 10.8
9.9-11.7		 - 5.5
4.9-6.2		 <3.4 - 3.2
2.7-3.7		 -

*No data on COPD exacerbations recorded for IPCI and LDP Italy. Grey =US database. Pink=South Korean database. Yellow=European database. US=United States. KR=South Korea. UK=United Kingdom. NL=Netherlands. ES=Spain.