Table 8 Comparison of training and testing datasets – patient characteristics

Age, years

82.9

[75.5 to 88.3]

83.7

[76.8 to 88.6]

Male

534

(28.4)

242

(25.0)

Number (%) with known baseline SCr

1352

(71.9)

692

(71.5)

Baseline eGFR mls/min/1.73 m²

63

[50 to 78]

61

[48 to 75]

CKD stage > =3

583

(43.1)

318

(46.0)

Diabetes

261

(13.9)

132

(13.6)

Previous Stroke or TIA

234

(12.4)

131

(13.5)

Cardiovascular disease

1011

(53.8)

540

(55.8)

Greater than one defined co-morbidity

629

(33.5)

330

(34.1)

Admission AMTS <7

619

(32.9)

368

(38.0)

Admission haemoglobin < 100 g L^-1

538

(28.6)

314

(32.4)

Not admitted from home

363

(19.3)

209

(21.6)

Nottingham Hip Fracture Score

4

[3–6]

5

[4–6]

Nottingham Hip Fracture Score > = 4

1389

(73.9)

738

(76.2)

Nottingham Hip Fracture Score > = 5

908

(48.3)

513

(53.0)