Case-mix measurement and assessing quality of hospital care.

Health Care Financ Rev · 1987 · PMC4195096 · PMID 25372934

Europe PMC

hedged sentence

—

closest p

—

boldest claim

The sentences

may be significantno p-value reported

Comparisons of the performance of hospitals are also uncertain because there may be significant differences in severity mix among hospitals ( Horn et al., 1985 ).

also in 13,097 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.