Table 2 Results of univariable analysis for the primary outcome of LOS

Age

1.01

(1.00–1.01)

0.002

Sex - Females

0.90

(0.81–0.99)

0.038

NESB - Yes

1.09

(0.96–1.25)

0.195

Initial Unit

 Trauma

REF

(REF - REF)

REF

 General Medicine

1.09

(0.95–1.25)

0.220

 Orthopaedic

1.14

(1.01–1.30)

0.041

 Other

1.58

(1.31–1.93)

< 0.001

Mobility

 Independent nil aid

REF

(REF - REF)

REF

 Independent with aid

1.03

(0.92–1.15)

0.663

 Supervision

0.89

(0.68–1.18)

0.403

 Assistance

0.77

(0.58–1.02)

0.059

 Non Ambulant

0.67

(0.38–1.26)

0.181

Bathing

0.96

(0.84–1.10)

0.575

Dressing

0.89

(0.77–1.05)

0.154

Toileting

0.75

(0.61–0.92)

0.005

Transferring

0.71

(0.57–0.90)

0.003

Continence

1.13

(0.98–1.32)

0.101

Feeding

0.64

(0.48–0.89)

0.006

Katz Score

1.03

(0.99–1.07)

0.123

Usual Residence

 Home Alone

REF

(REF - REF)

REF

 Home with Others

0.94

(0.84–1.05)

0.294

 RACF

0.59

(0.48–0.73)

< 0.001

 SRS

1.70

(1.12–2.72)

0.017

Low Fall

1.25

(1.12–1.39)

< 0.001

Complications

 Delirium

1.66

(1.48–1.87)

< 0.001

 Inpatient Fall

1.74

(1.36–2.24)

< 0.001

 UTI

1.58

(1.29–1.96)

< 0.001

 Pneumonia

1.77

(1.49–2.12)

< 0.001

 VTE

2.03

(1.48–2.86)

< 0.001

 MI

1.52

(0.97–2.56)

0.089

 Transfusion

1.69

(1.49–1.92)

< 0.001

 Pressure Injury

1.51

(1.12–2.08)

0.009

 Unplanned ICU

2.40

(1.71–3.50)

< 0.001

Anticoagulants

0.93

(0.82–1.06)

0.275

Polypharmacy

1.24

(1.11–1.38)

< 0.001

CCI

1.06

(1.03–1.10)

< 0.001

Dementia

1.20

(1.03–1.42)

0.025

Surgery

1.54

(1.39–1.70)

< 0.001