1. Is age a predictor of mortality in a UK medical high dependency unit?
E. Hood, A. Bhangu, D. Pandit, A. Michael 
British Journal of Anaesthesia 
Volume 107, Issue 2, Pages (August 2011)
DOI: /bja/aer105
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1
Bar chart comparing mortality in those less than and more than 70 yr old, split by APACHE II score.
British Journal of Anaesthesia  , DOI: ( /bja/aer105)
Copyright © 2011 The Author(s) Terms and Conditions

3. Fig 2
Kaplan–Meier survival curve showing high- vs low-risk groups. The high-risk group is that which requires more than or equal to two-organ support, moderate to nursing home levels of pre-admission care, or both. The low-risk group is that which requires less than or equal to one-organ support, minimal assistance or independent pre-admission status, or both. Log-rank testing shows that the differences are significant (<0.001). Patients < 70 yr old; patients ≥ 70 yr of age.
British Journal of Anaesthesia  , DOI: ( /bja/aer105)
Copyright © 2011 The Author(s) Terms and Conditions

4. Fig 3
Receiver-operating characteristic curves for APACHE II score, Charlson score, and age related to 30 day mortality. APACHE II score was a moderate discriminator (AUC 0.638, 95% CI 0.525–0.751); Charlson score (AUC 0.569, 95% CI 0.429–0.708) and age (AUC 0.598, 95% CI 0.476–0.719) were poor predictors.
British Journal of Anaesthesia  , DOI: ( /bja/aer105)
Copyright © 2011 The Author(s) Terms and Conditions