Table 6

Explanations identified for unexpected survival

Response to treatmentResponded well to antibiotics and medical treatment
Successful medical treatment
Early access to consultant surgeon, well monitored, intravenous fluids, antibiotics and insulin early on
Died after 7 daysResponded to medical treatment but then died 2 weeks later
Care of dying pathway initiated, discharged to nursing home where he died 2 weeks later
Dies on day 11
Died 12 days after admission
Died 8 days later
Died 9 days later
In hospital for 6 weeks and then died 4 months after admission
In hospital for 4 months. Subsequently died 2 months after discharge
Patient died 2 months later
Responded to medical treatment. Subsequently died 3 months after admission
UnclearUnclear. Limited therapy instituted consisting of oxygen, antibiotics and fluids
Unclear. Limited treatment given with agreement of family
Poor model predictionModel prediction of death based on relatively minor derangements of blood variables
Variables in the model altered by his particular presentation (infective exacerbation of chronic obstructive pulmonary disease) and hence the likelihood of death ‘overstated’