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. 2012 Dec 13;2(6):e002344. doi: 10.1136/bmjopen-2012-002344

TableĀ 3.

Minimum detectable mean ratios* for analyses investigating the relationship between potentially preventable hospitalisations and health outcomes for people with chronic conditions, Assessing Preventable Hospitalisation InDicators (APHID) study

Outcome Self-reported chronic condition
Hypertension
Asthma
Diabetes
Angina
Mean length of stay 0.97 1.03 0.96 1.05 0.96 1.04 0.95 1.05
Mean hospital cost 0.98 1.02 0.97 1.03 0.97 1.03 0.95 1.04

*5% significance, 80% power.