Anthropometric Measures and Frailty Prediction in the Elderly: An Easy-to-Use Tool
Table 2
Logistic regression univariable models and results for the learning sample.
Anthropometric measures
Unadjusted
Adjusted for age
β
(95% CI)
β
(95% CI)
Weight2
436
0.001 (0.003)
0.58 (0.52–0.63)‡
0.001 (0.005)
0.63 (0.58–0.69)†
Height
436
−5.313 (<0.001)
0.64 (0.58–0.69)†
–4.731 (<0.001)
0.66 (0.61–0.72)†
Knee height
436
–0.098 (0.004)
0.60 (0.54–0.65)‡
–0.091 (0.008)
0.64 (0.58–0.69)†
Circumference
Neck
429
–0.050 (0.128)
0.54 (0.48–0.60)
–0.032 (0.331)
0.60 (0.54–0.65)‡
Arm2
438
0.021 (<0.001)
0.61 (0.55–0.67)†
0.020 (0.001)
0.66 (0.60–0.71)†
Forearm
432
–0.097 (0.014)
0.58 (0.52–0.64)‡
–0.068 (0.100)
0.61 (0.55–0.66)†
Umbilical level2
417
0.002 (0.003)
0.58 (0.52–0.64)‡
0.002 (0.003)
0.65 (0.59–0.70)†
Smaller waist2
415
0.002 (0.011)
0.57 (0.52–0.63)‡
0.002 (0.009)
0.64 (0.58–0.69)†
Waist midpoint2
413
0.002 (0.007)
0.58 (0.53–0.64)‡
0.002 (0.005)
0.64 (0.58–0.70)†
Hip2
412
0.002 (0.009)
0.56 (0.50–0.62)
0.002 (0.010)
0.63 (0.58–0.69)†
Thigh2
416
0.006 (0.018)
0.57 (0.51–0.62)‡
0.005 (0.034)
0.62 (0.56–0.67)†
Calf2
434
0.015 (0.016)
0.55 (0.49–0.60)
0.014 (0.033)
0.61 (0.56–0.67)†
Skinfold
Subscapular2
438
0.003 (0.031)
0.53 (0.48–0.59)
0.003 (0.045)
0.62 (0.56–0.67)†
Pectoral2
430
0.004 (0.085)
0.56 (0.50–0.61)
0.004 (0.091)
0.62 (0.57–0.68)†
Triceps
435
0.039 (0.005)
0.58 (0.53–0.64)‡
0.043 (0.003)
0.64 (0.59–0.70)†
Bicipital
432
0.059 (0.005)
0.58 (0.52–0.63)‡
0.067 (0.002)
0.65 (0.59–0.70)†
Suprailiac
417
0.008 (0.515)
0.53 (0.47–0.59)
0.014 (0.270)
0.60 (0.54–0.66)‡
Abdominal
418
0.001 (0.941)
0.52 (0.46–0.58)
0.008 (0.542)
0.59 (0.53–0.65)‡
Thigh
417
0.022 (0.033)
0.57 (0.51–0.62)‡
0.021 (0.042)
0.61 (0.56–0.67)†
Calf
428
0.048 (0.001)
0.60 (0.54–0.66)‡
0.045 (0.002)
0.64 (0.59–0.70)†
Sagittal abdominal diameter
Umbilical level2
397
0.021 (0.012)
0.57 (0.51–0.63)‡
0.022 (0.010)
0.63 (0.57–0.69)†
Smaller waist2
397
0.026 (0.008)
0.56 (0.50–0.61)
0.027 (0.007)
0.62 (0.57–0.58)†
Midpoint2
397
0.021 (0.014)
0.57 (0.51–0.63)‡
0.022 (0.011)
0.63 (0.57–0.69)†
Iliac crest level2
397
0.022 (0.009)
0.58 (0.52–0.64)‡
0.023 (0.007)
0.63 (0.57–0.69)†
Orthostatic position2
400
0.013 (0.019)
0.58 (0.52–0.64)‡
0.014 (0.018)
0.63 (0.57–0.69)†
Larger waist2
397
0.023 (0.008)
0.59 (0.53–0.65)‡
0.023 (0.007)
0.64 (0.58–0.69)†
Notes. Exponent 2 means that the quadratic term of the predictor was included in the model, along with the linear term. regression; () < 0.001; () < 0.005.