Table 1 Baseline characteristics of participants ^a

Age in years

83.9+/-7.2

Categorical variables

Percentage

Gender (% women)

77.2%

Country of birth^c (% Australia)

81.4%

Main language spoken^c (% English)

93.5%

Body mass index^d in kg/m2

24.6+/-3.6

Pre-injury living status^c (% at home along)

43.5%

Pre-injury mobility^c (% independent)

69.4%

Pre-injury personal ADLs^c (% independent)

64.8%

Pre-injury modified Barthel index

87.09+/-21.04

Pre-injury functional comorbidity index

3.12+/-1.95

Comorbidity present:

Arthritis

49.1%

Osteoporosis

45.4%

Gastrointestinal

27.4%

Visual impairment

27.3%

Hip fracture subtype^e

- Undisplaced subcapital: 4.3%

- Displaced subcapital: 46.7%

- Pertrochanteric simple (2-part): 4.3%

- Pertrochanteric complex (3-part): 29.0%

- Intertrochanteric/basicervical: 6.7%

- Subtrochanteric: 9.0%

Hip fracture surgery^e

- Cannulated screws: 2.4%

- Uncemented hemiarthroplasty: 13.7%

- Cemented hemiarthroplasty: 8.1%

- Total hip replacement: 18.5%

- Dynamic hip screw with short plate: 10.4%

- Dynamic hip screw with long plate: 18.5%

- Gamma nail: 28.4%

MMSE score (c)

26.0+/-4.35

Using calcium (e)

10.4%

Using vitamin D (e)

10.3%

Using other osteoporosis medications (b)

29.9%

Using psychotropic medication (e)

32.7%

Using antihypertensive medication (e)

54.2%

25-hydroxyvitamin D level (f)

52.7+/-23.5 nmol/L

Serum corrected calcium (e)

2.31+/-0.13 mmol/L

Grip strength (e)

16.1+/-6.8 kgs