Table 3 Multivariate ordinal logistic regression analysis of risk factors for frailty

SBP

 ≥ 130 mmHg

1

1

1

 ≥ 100, < 130 mmHg

2.61 (1.27- 5.35)

0.009*

2.74 (1.32-5.68)

0.007*

2.43 (115-5.11)

0.020*

 <100 mmHg

10.01 (3.56-28.12)

< 0.001*

11.10 (3.82-32.29)

< 0.001*

8.95(2.98-26.83)

< 0.001*

Number of medications

 0–2 medications

1

1

1

 3–6 medications

1.42 (0.88-2.30)

0.151

1.41 (0.86-2.31)

0.176

1.73 (0.97-3.08)

0.062

 ≥ 7 medications

2.88 (1.50-5.53)

0.002*

2.91 (1.45-5.85)

0.003*

3.64(1.54-8.62)

0.003*

Serum iron

 > 125 μg/dL

1

1

1

 > 85, ≤ 125 μg/dL

1.81 (0.97-3.36)

0.061

1.76 (0.94-3.28)

0.078

1.88 (1.00-3.55)

0.050

 ≤ 85 μg/dL

2.85 (1.45-5.62)

0.002*

2.82 (1.42-5.58)

0.003*

2.91 (1.46-5.81)

0.002*

T-Bil

 > 0.6 mg/dL

1

1

1

 ≤ 0.6 mg/dL

2.22 (1.14-4.36)

0.020*

2.12(1.07-4.19)

0.030*

2.49 (1.23-5.05)

0.011*

Exercise strength

 > 4 METs/week

1

1

1

 > 2, ≤ 4 METs/week

1.25 (0.69-2.26)

0.456

1.25 (0.69-2.26)

0.467

1.18 (0.65-2.15)

0.585

 ≤ 2 METs/week

2.57 (1.57-4.19)

< 0.001*

2.52 (1.54-4.12)

< 0.001*

2.45 (1.50-4.03)

< 0.001*

CAVI

 < 9

1

1

1

 ≥ 9

1.8 (1.11-2.90)

0.016*

1.89 (1.14-3.12)

0.013*

1.84 (1.10-3.07)

0.020*

ALB

 > 3.8 g/dL

1

1

1

 ≤ 3.8 g/dL

1.55 (0.90-2.67)

0.116

1.63 (0.93-2.84)

0.089

1.59 (0.90-2.80)

0.112