Table 2 Crude and multiple Cox regression analysis of body composition surrogates, ghrelin and their interactions for predicting all cause and cardiovascular mortality in the study population (n = 261)

AG (>128.5 pg/ml)

0.73

0.50–1.07

0.10

0.67

0.45–1.00

0.05

BMI (>26.8 kg/m²)

0.62

0.42–-0.91

0.015

0.58

0.38–0.88

0.01

FM (>22.6 kg)

0.57

0.39–0.85

0.005

0.53

0.34–0.82

0.005

LBM (>48.7 kg)

0.83

0.56–1.23

0.35

0.88

0.54–1.42

0.59

Cre (>7.18 mg/dl)

0.50

0.34–0.73

<0.001

0.57

0.37–0.89

0.01

MAMC (>23.2 cm)

0.65

0.44–0.96

0.03

0.67

0.44–1.03

0.06

BMI*AG^b

0.52

0.29–0.95

0.033

0.46

0.25–0.85

0.01

FM* AG

0.53

0.29–0.96

0.038

0.69

0.53–0.92

0.01

TSF* AG

0.42

0.23–0.78

0.006

0.61

0.45–0.82

0.001

LBM* AG

0.95

0.56–1.62

0.85

0.86

0.65–1.13

0.27

Cr* AG

0.87

0.50–1.52

0.63

0.81

0.62–1.05

0.11

MAMC* AG

0.96

0.96–1.02

0.45

0.79

0.58–1.06

0.12

AG (>128.5 pg/ml)

0.70

0.40–1.23

0.22

0.73

0.40–1.31

0.29

BMI (>26.8 kg/m²)

0.57

0.32–1.00

0.05

0.56

0.30–1.03

0.06

FM (>22.6 kg)

0.43

0.24–0.79

0.006

0.43

0.22–0.83

0.01

TSF (>14.0 mm)

0.62

0.35–1.07

0.09

0.76

0.40–1.44

0.39

LBM (>48.7 kg)

1.25

0.71–2.19

0.44

0.99

0.50–1.96

0.98

Cr (>7.18 mg/dl)

0.58

0.33–1.01

0.05

0.51

0.28–0.95

0.03

MAMC (>23.2 cm)

0.69

0.40–1.20

0.19

0.61

0.34–1.11

0.11

BMI* AG^b

0.58

0.24–1.38

0.22

0.58

0.24–1.43

0.24

FM* AG

0.55

0.23–1.35

0.19

0.68

0.45–1.03

0.07

TSF* AG

0.59

0.26–1.38

0.23

0.73

0.50–1.08

0.12

LBM* AG

1.18

0.59–2.37

0.63

0.91

0.62–1.33

0.62

Cre* AG

0.67

0.30–1.47

0.31

0.68

0.46–1.01

0.06

MAMC* AG

0.69

0.31–1.55

0.37

0.66

0.43–1.01

0.06