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Table 1 Descriptive characteristics of the sample of 110 hospitalized elderly patients included in the study, categorized in elderly with sarcopenia (sarcopenia and severe sarcopenia) and without sarcopenia

From: Frequency of sarcopenia and associated factors among hospitalized elderly patients

  Sarcopenia No sarcopenia
Variables % (n) Mean/SD % (n) Mean/SD
Age   78.9 ± 9.5   68.8 ± 6.8
60–69 years 16.7 (4)   62.8 (54)  
70–79 years 33.3 (8)   27.9 (24)  
≥80 years 50.0 (12)   9.3 (8)  
BMI   21.5 ± 2.4   26.5 ± 4.6
Underweight 54.2 (13)   10.5 (9)  
Normal weight 445.8 (11)   53.5 (46)  
Excess weight 0.0 (0)   36.0 (31)  
Gender     
Male 50.0 (12)   60.5 (52)  
Female 50.0 (12)   39.5 (34)  
Admission profile     
Clinical 87.5 (21)   51.2 (44)  
Surgical 12.5 (3)   48.8 (42)  
MMSE   20.4 ± 5.7   24.7 ± 4.4
Charlson index   6.3 ± 1.9   5.2 ± 1.7
≤4 25.0 (6)   39.5 (34)  
≥5 75.0 (18)   60.5 (52)  
Length of stay     
(days)   2.8 ± 1.7   2.7 ± 1.6
1–3 62.5 (15)   65.1 (56)  
≥3 37.5 (9)   34.9 (30)  
Smoking     
Absent 70.8 (17)   93.0 (80)  
Present 29.2 (7)   7.0 (6)  
Physical activity     
<twice a week     
No 17.4 (4)   41.6 (32)  
Yes 82.6 (19)   58.4 (45)  
Falls in the last year     
Absent 62.5 (15)   77.9 (67)  
Present 37.5 (9)   22.1 (19)  
SMM (kg)   17.5 ± 4.1   23.1 ± 5.1
MMI (kg / m2)   6.8 ± 1.6   8.8 ± 1.7
Handgrip (kg)   18.9 ± 6.7   30.5 ± 8.4
Gait speed (m / s)   0.95 ± 0.4   1.36 ± 0.41
  1. BMI = Body mass index; MMSE = Mini mental state exam; SMM = Skeletal muscle mass; MMI = Muscle mass index.