Table 3

Sensitivity analysis examining area under receiver operating characteristic curve in testing data set for clinical subgroups

	180d model	90d model
Full cohort	0.74	0.72
Sex
Males	0.72	0.70
Females	0.76	0.74
Age
35–45	0.78	0.75
45–55	0.73	0.71
55–65	0.71	0.70
Prior hospitalisation
Pulmonary	0.75	0.72
Musculoskeletal	0.73	0.70
Psychiatric	0.69	0.69
Gastrointestinal	0.78	0.76
Circulatory	0.68	0.70
Discharge hospital size:
<2000 admissions	0.66	0.66
2000–9000 admissions	0.76	0.76
>9000 admissions	0.74	0.71

Area under receiver operating characteristic curve (AUC) <0.70 indicated in italics.