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. Author manuscript; available in PMC: 2021 Feb 19.
Published in final edited form as: Indoor Air. 2019 Dec 8;30(2):235–243. doi: 10.1111/ina.12625

Figure 2. ACQ scores by intervention for ‘not well-controlled’ asthma group (n=20 HEPA; n=19 Dummy).

Figure 2.

Horizontal lines in the box plots represent the minimum, 25%, 50%, 75% percentiles, and maximum. The cut-off point for ‘well-controlled’ asthma is ≤0.75 (dotted lined). H-HEPA. D-Dummy. **Due to Bonferroni adjustment, p-value <0.025 was considered significant.