Development of a real-world database for asthma and COPD: The SingHealth-Duke-NUS-GSK COPD and Asthma Real-World Evidence (SDG-CARE) collaboration

Table 4 Comparison of data from SingHealth COPD and Asthma Data Mart (SCDM) SHP asthma cohort and asthma cohort from Zheng et al. [29]

	Comparison Cohort (Zheng et al. [29]) n = 14,755	SCDM SHP Asthma cohort (2015 to 2019) n = 29,574
Average number of attendances for asthma per year	35,731	33,805
Gender = male % by attendance	39.7	42.7
Race, % by attendance
Chinese	53.2	53.2
Malay	26.2	25.5
Indian	14.0	14.0
Others	6.6	7.3
Proportion of attendances with good asthma control (ACT ≥ 20), %	80.9	83.1
Proportion of attendances with rescue therapy¹, %	11.7	8.8

¹Most of the findings match except for the proportion of attendances with rescue therapy. This may be attributed to the different attendance years being evaluated in each of the cohorts

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