Table 3 Significant correlations between laboratory variables, age and length of hospital stay in older patients with cervical and trochanteric hip fracture (HF) (Pearson correlation coefficients)

Age - PTH

0.289

< 0.001

0.209

0.014

Age - eGFR

-0.312

< 0.001

-0.238

0.009

Age - cTnI

0.262

0.002

0.222

0.012

Age - adiponectin

0.245

0.004

0.261

0.004

PTH - calcium

-0.380

< 0.001

-0.180

0.036*

cTnI - eGFR

-0.232

0.008

-0.332

< 0.001

PTH - eGFR

-0.320

< 0.001

-0.386

< 0.001

Haemoglobin - eGFR

0.250

0.002

0.217

0.009

Haemoglobin - albumin

0.348

< 0.001

0.202

0.016

PTH - adiponectin

0.167

0.053*

0.268

0.004

PTH - leptin

0.235

0.005

PTH - LOS

0.200

0.017

LOS - phosphate

0.169

0.044*

Albumin - eGFR

0.244

0.002

PTH - phosphate

0.199

0.020*

PTH - cTnI

0.397

< 0.001

PTH - adiponectin

0.268

0.004

PTH - resistin

0.193

0.038*

Age - leptin

- 0.301

< 0.001

Age - resistin

0.238

0.009

Leptin - adiponectin

- 0.251

0.006

Leptin - haemoglobin

0.262

0.002

Leptin - CRP

0.226

0.008

Adiponectin - CRP

- 0.205

0.026*

Resistin - eGFR

- 0.301

< 0.001

Resistin - calcium

0.227

0.014

cTnI - haemoglobin

- 0.195

0.028*