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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Eur J Neurol. 2011 Jan 18;18(6):888–898. doi: 10.1111/j.1468-1331.2010.03340.x

Figure 2.

Figure 2

Cumulative risk of dementia hospitalization by FEV1 and FVC and by age (≤60 or >60). Low and high FVC or FEV1 defined as extreme quartiles (low: quartile 1, high: quartile 4). Results are based on survival curves from a Cox model, adjusting for age, gender, race, cigarette smoking, and APOE genotype, using the methodology proposed by Zhang et al.[27] Panel A: low vs. high FEV1 in ≤60 years old. Panel B: low vs. high FEV1 in >60 years old. Panel C: low vs. high FVC in ≤60 years old. Panel D: low vs. high FVC in >60 years old.