Figure 1

Kaplan-Meier plot of the association between quintile of Physical Component Summary (PCS) of the SF-12 and adverse outcome. a. All-cause death b. Cancer registration c. Coronary heart disease hospitalisation/death. Higher quintile indicate better perceived physical health; Q1 (worst), quintile 1 (PCS score <42); Q2, quintile 2 (PCS score 42 to 50.9); Q3, quintile 3 (PCS score 51 to 54.9); Q4 quintile 4 (PCS score 55 to 56); Q5 (best) quintile 5 (PCS score >56).