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. 2015 May 27;10:975–984. doi: 10.2147/COPD.S82781

Figure 2.

Figure 2

Relationship between spirometric impairment and the CAT score in the On-Sint cohort.

Note: Whiskers represent 95% confidence intervals.

Abbreviations: CAT, COPD Assessment Test; GOLD, Global Initiative for Obstructive Lung Disease; NS, not significant; On-Sint, Clinical presentation, diagnosis, and course of chronic obstructive pulmonary disease study.