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Table 1 Variables and coding used to construct the 15-item FI-lab and their present (%)

From: A frailty index based on routine laboratory data predicts increased risk of mortality in Chinese community-dwelling adults aged over 55 years: a five-year prospective study

Variables

Cut-off (yes = 1, no = 0)

Present (%)

SBP, mmHg

 < 90 or ≥ 140

43.8

DBP, mmHg

 < 60 or ≥ 90

18.0

Pulse pressure, mm Hg

 > 65 or < 30

37.9

Pulse, bp/min

 < 60 or > 100

7.9

BMI, kg/m2

 < 18.5 or ≥ 25

41.0

CR, umol/L

 < 53 or ≥ 106

41.8

HCY, mmol/L

 > 15

60.5

FBG, mmol/L

 < 3.9 or ≥ 6.1

19.3

hsCRP, mmol/L

 > 3

0.9

UA, umol/L

male < 149 or ≥ 420, female < 89 or ≥ 360

31.3

LDL-C, mmol/L

 ≥ 4.16

6.4

HDL-C, mmol/L

 < 1.03

24.1

TC, mmol/L

 < 3.9 or > 6.5

30.2

TG, mmol/L

 ≥ 2.26

15.0

Waist, cm

Male ≥ 90, female ≥ 85

63.5

  1. Abbreviations: BMI Body mass index, DBP Diastolic blood pressure, DM Diabetes mellitus, FBG Fast blood glucose, HDL-C High-density lipoprotein cholesterol, hsCRP High-sensitivity C-reactive protein, HCY Homocysteine, HT Hypertension, LDL-C Low-density lipoprotein cholesterol, SBP Systolic blood pressure, TC Total cholesterol, TG Triglyceride, UA Uric acid, CR Serum creatinine