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Table 1 Sociodemographic and clinical characteristics according to different sarcopenia groups

From: Correlation between nutrition, oral health, and different sarcopenia groups among elderly outpatients of community hospitals: a cross-sectional study of 1505 participants in China

Characteristics Non-sarcopenia (n = 1139) Possible sarcopenia (n = 88) Diagnosed sarcopenia (n = 142) Severe sarcopenia (n = 136) p-value
Age (years) 74.47 ± 6.23 78.26 ± 6.74 77.02 ± 6.82 85.99 ± 5.83 p < 0.001
Sex      p = 0.82
 Male 487 (57.2%) 34 (61.4%) 64 (54.9%) 58 (57.4%)  
 Female 652 (42.8%) 54 (38.6%) 78 (45.1%) 78 (42.6%)  
Household income (RMB)      p = 0.10
  ≤ 3000 315 (27.7%) 28 (31.8%) 33 (23.2%) 44 (32.4%)  
 3000–6000 718 (63.0%) 56 (63.6%) 91 (64.1%) 73 (53.7%)  
  ≥ 6000 106 (9.3%) 4 (4.5%) 18 (12.7%) 19 (14.0%)  
Education level      p = 0.06
 Primary school or below 152 (13.3%) 18 (20.5%) 10 (7.0%) 16 (11.8%)  
 Middle or senior high school 875 (76.8%) 66 (75.0%) 118 (83.1%) 103 (75.7%)  
 University level or above 112 (9.8%) 4 (4.5%) 14 (9.9%) 17 (12.5%)  
Alcohol drinking      p = 0.36
 No 1020 (89.6%) 84 (95.5%) 128 (90.1%) 123 (90.4%)  
 Yes 119 (10.4%) 4 (4.5%) 14 (9.9%) 13 (9.6%)  
Cigarette smoking      p = 0.61
 Non-smoker 909 (79.8%) 73 (83.0%) 112 (78.9%) 114 (83.8%)  
 Yes 230 (20.2%) 15 (17.0%) 30 (21.1%) 22 (16.2%)  
Chronic diseases      p < 0.001
 No 268 (23.5%) 26 (29.5%) 24 (16.9%) 13 (9.6%)  
 Yes 871 (76.5%) 62 (70.5%) 118 (83.1%) 123 (90.4%)  
Physical activity score 12.55 ± 3.90 12.51 ± 3.88 10.37 ± 1.72 8.97 ± 1.05 p < 0.001
NRT      p < 0.001
  < 20 165 (14.5%) 13 (14.8%) 71 (50%) 89 (65.4%)  
  ≥ 20 974 (85.5%) 75 (85.2%) 71 (50%) 47 (34.6%)  
RSMI 7.99 ± 1.62 7.29 ± 1.14 5.75 ± 0.88 5.38 ± 1.00 p < 0.001
 Handgrip strength 27.59 ± 6.90 21.67 ± 5.60 21.27 ± 4.75 16.37 ± 5.46 p < 0.001
 Gait speed (m/s) 1.08 ± 0.11 0.97 ± 0.21 0.79 ± 0.19 0.63 ± 0.14 p < 0.001
GOHAI 39.26 ± 4.05 39 ± 4.70 37.3 ± 4.47 36.79 ± 4.01 P < 0.001
MNA-SF 12.54 ± 0.98 11.11 ± 1.87 10.26 ± 1.76 9.19 ± 1.71 P < 0.001
  1. RSMI Relative muscle mass index, NRT Number of remaining natural teeth, GOHAI General Oral Health Assessment Index, MNA-SF Mini Nutritional Assessment short-form
  2. Data are presented as mean standard deviation