Table 4

Relationship between CFS and LOS, inpatient mortality and 30-day readmission

OR (95% CI)P valueAUC (95% CI)
LOS ≥7 days
 Admission CFS ≥52.4 (2.2 to 2.6)<0.0010.63 (0.61 to 0.64)
 ED CFS ≥51.4 (1.3 to 1.6)<0.0010.56 (0.55 to 0.57)
 Admission CFS ≥42.5 (2.2 to 2.7)<0.0010.63 (0.61 to 0.64)
 ED CFS ≥41.4 (1.3 to 1.6)<0.0010.56 (0.55 to 0.57)
Inpatient mortality
 Admission CFS ≥53.3 (2.6 to 4.2)<0.0010.70 (0.68 to 0.73)
 ED CFS ≥51.2 (1.0 to 1.5)0.0360.56 (0.53 to 0.59)
 Admission CFS ≥45.8 (3.7 to 8.9)<0.0010.70 (0.69 to 0.73)
 ED CFS ≥41.7 (1.4 to 2.1)<0.0010.56 (0.53 to 0.59)
30-day readmission
 Admission CFS ≥51.0 (0.9 to 1.1)0.6630.48 (0.47 to 0.50)
 ED CFS ≥51.1 (1.0 to 1.2)1.6860.51 (0.50 to 0.53)
 Admission CFS ≥41.1 (0.9 to 1.2)0.4500.48 (0.47 to 0.50)
 ED CFS ≥41.0 (0.9 to 1.1)0.6770.51 (0.50 to 0.53)
  • AUROC, area under the receiver operating characteristic curve; CFS, Clinical Frailty Scale; ED, emergency department; LOS, length of stay.