Table 3

Univariable logistic regression predicting all-cause readmission at 90 days in patients 65 years or older (n=164)

OR (95% CI)p Value
Gait speed (quartiles)
1 (median 0.32 m/s)11.56 (3.08 to 43.35)<0.001
2 (median 0.50 m/s)4.38 (1.15 to 16.70)
3 (median 0.69 m/s)2.8 (0.69 to 11.41)
4 (median 0.91 m/s)1
Gait speed continuous per 0.1 m/s decline1.37 (1.17 to 1.60)<0.001
One or more admissions (last year)3.37 (1.70 to 6.67)<0.001
Exacerbations1.32 (1.13 to 1.54)<0.001
Charlson Index1.50 (1.14 to 1.96)0.003
DECAF1.55 (1.16 to 2.08)0.003
Katz Index0.55 (0.36 to 0.83)0.004
Length of stay1.10 (1.02 to 1.19)0.011
Daily energy expenditure1.00 (1.00 to 1.00)0.058
Total comorbidities1.18 (0.99 to 1.42)0.068
MRC
 1–310.071
 40.98 (0.35 to 2.78)
 52.16 (0.97 to 4.64)
Age1.04 (0.99 to 1.09)0.097
FEV1% pred.0.98 (0.96 to 1.00)0.102
SGRQ total1.02 (1.00 to 1.04)0.110
Lives alone1.17 (0.61 to 2.26)0.636
BMI0.99 (0.93 to 1.04)0.659
Male1.05 (0.55 to 2.02)0.883
  • BMI, body mass index; DECAF score, extended MRC Dyspnoea Score, Eosinopenia, Consolidation, Acidaemia, atrial Fibrillation; MRC, Medical Research Council; SGRQ, St George's Respiratory Questionnaire.