Table 3.

Summary of 4 Cox-regression analyses of self-reported predictors of 2-year mortality. The multivariable analyses adjusted for age, estimated glomerular filtration rate, acute physiological and chronic health evaluation II score, septic shock, Charlson comorbidity index, mechanical ventilation, gender, and reason for admission. See Table 2 for definition of cutpoints. ^aGeneral health question in SF-36. ^bHealth Transition question in SF-36. PCS: Physical component summary. MCS: Mental Component Summary.

Risk variable	Univariable hazard ratio (CI 95%)	Univariable p value	Multivariable hazard ratio (CI 95%)	Multivariable p value
Question: “In general, would you say your health is?”a  “Fair/Poor” versus “Excellent/Very good/Good”	1.9 (1.2–3.1)	0.011	1.8 (1.1–3.0)	0.020
Question: “Compared to one year ago how would you rate your health in general now?”b  “Somewhat worse/Much worse” versus “Somewhat better/Much better/The same”	1.5 (0.9–2.4)	0.13	1.6 (1.0–2.7)	0.057
PCS (low quartile group versus other quartiles)	2.7 (1.6–4.5)	0.000	2.9 (1.7–5.0)	0.000
MCS (low quartile group versus other quartiles)	1.6 (0.9–2.8)	0.09	1.9 (1.1–3.4)	0.027