Skip to main content

Table 1 Baseline characteristics according to the two different groups

From: Low bone density and high morbidity in patients between 55 and 70 years with displaced femoral neck fractures: a case-control study of 50 patients vs 150 normal controls

  Fracture group n = 50 Control group n = 150 p- values
Mean age, years (95% CI) 64.5 (63.5-65.6) 65.1 (64.4-65.7) 0.677 a
Gender, w/m (%) 38 (76%) / 12 (24%) 116 (77.3%) / 34 (22.7%) 0.846 b
Mean BMI (kg/m2) (95% CI) 24.2 (23.1-25.4) 26.7 (26.0-27.4) 0.001c
Diabetes mellitus, n (%) 5 (10%) 5 (3.33%) 0.061b
Smoking, n (%) 24 (48%) 15 (10%) < 0.001b
Mean Charlson Comorbidity Index Score total (95% CI) n (%) 2.64 (2.39-2.89) 2.14 (2.04-2.24) 0.001b
1 3 (6%) 19 (12.7%)  
2 20 (40%) 94 (62.7%)  
3 21 (42%) 34 (22.7%)  
4 4 (8%) 3 (2%)  
5 2 (4%) 0  
ASA score, n (%)d    < 0.001b
1 6 (12%) 73 (48.7%)  
2 31 (62%) 74 (49.3%)  
3 13 (26%) 3 (2%)  
4 0 0  
  1. aindependent samples t-test
  2. bPearson Chi-square test
  3. cMann-Whitney U-test
  4. dAmerican Society of Anesthesiologists