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Table 1 Characteristics of the older adults according to sarcopenia

From: Anthropometric indicators as a discriminator of sarcopenia in community-dwelling older adults of the Amazon region: a cross-sectional study

Variables Sarcopenic
(n = 25)
Non-sarcopenic
(n = 386)
p* Value Total
sample
(n = 411)
Age (years) 77.04 ± 8.99 69.69 ± 6.90 < 0.001 70.15 ± 7.25
Sex
 Male 10 (40) 128 (33.2) 0.483 138 (33.6)
 Female 15 (60) 258 (66.8)   273 (66.4)
 Height (m) 1.51 (1.46–1.58) 1.54 (1.48–1.60) 0.244 1.52 (1.48–1.60)
 Weight (kg) 50.28 ± 7.96 67.86 ± 12.86 < 0.001 66.79 ± 12.29
 Schooling (years) 3 (1.5–7) 5 (2–10) 0.202 4 (2–10)
Income
 None 1 (4) 43 (11.1) 0.311 44 (10.7)
 1 minimum wage or less 15 (60) 178 (46.1)   193 (47)
 2 minimum wages or more 9 (36) 165 (42.7)   174 (42.3)
Health perception
 Positive 8 (32) 116 (30.1) 0.844 124 (30.2)
 Negative 17 (68) 269 (69.9)   286 (69.8)
 MMI (kg/m2) 7.17 ± 1.56 9.02 ± 1.70 < 0.001 8.91 ± 1.74
 HGS (kgf) 16.52 ± 4.73 25.18 ± 8.96 < 0.001 24.65 ± 9.01
 Number of diseases 4 (3–7) 5 (3–7) 0.803 5 (3–7)
 Number of medications 1 (0–2) 1 (0–3) 0.534 1 (0–3)
Falls in the last year
 Yes 2 (8) 81 (21) 0.117 83 (20.2)
 No 23 (92) 305 (79)   328 (79.8)
Hospitalization in the last year
 Yes 5 (20) 53 (13.7) 0.485 58 (14.1)
 No 20 (80) 333 (86.3)   353 (85.9)
Smoking habit
 Yes 4 (16) 35 (9.1) 0.289 39 (9.5)
 No 21 (84) 351 (90.9)   372 (90.5)
Physical activity
 Sufficiently active 9 (36) 209 (54.1) 0.078 218 (53)
 Insufficiently active 16 (64) 177 (45.9)   193 (47)
Dependence (Katz Scale)
 Yes 2 (8) 28 (7.3) 0.891 30 (7.3)
 No 23 (92) 358 (92.7)   381 (92.7)
Dependence (Lawton and Brody Scale)
 Yes 20 (80) 266 (68.9) 0.243 286 (69.6)
 No 5 (20) 120 (31.1)   125 (30.4)
 Body mass index (BMI) 21.69 ± 2.12 28.53 ± 4.81 < 0.001 28.11 ± 4.97
 Calf circumference (CC) 29.57 ± 2.64 33.45 ± 3.81 < 0.001 33.22 ± 3.86
 Arm circumference (AC) 24.10 ± 2.29 29.51 ± 3.70 < 0.001 29.18 ± 3.85
 Waist circumference (WC) 90 (79.75–96) 98 (90–105) < 0.001 97 (90–105)
  1. Data are reported as n: number of subjects; mean ± standard deviation; median (interquartile range); m: meters; kg: kilogram; MMI: muscle mass index; HGS: handgrip strength; kgf: kilogram force; Chi-square test, Student t-test and MannWhitney U test; *p < 0.05