Research Article
Prevalence of Hyponatremia in Femur Neck Fractures: A One-Year Survey in an Urban Emergency Department
Table 1
Serum sodium concentration in patients with femoral neck fracture and in a control population of unselected outpatients.
| Total population | Controls | Patients | |
| | 700 | 543 | | Age (years) | 66 (52–77) | 84 (77–89) | <0.001 | M/F | 407/293 | 387/156 | <0.001 | Sodium (mmol/L) | 139 (137–141) | 138 (136–140) | <0.001 | (i) Hyponatremia | 73/700 (10.4%) | 106/543 (19.5%) | <0.001 | (ii) Severe hyponatremia | 0/700 (0%) | 6/543 (1.1%) | 0.009 |
| >65 years | Controls | Patients | |
| | 380 | 491 | | Age (years) | 76 (71–83) | 85 (80–90) | <0.001 | M/F | 223/157 | 360/131 | <0.001 | Sodium (mmol/L) | 139 (137–141) | 138 (136–140) | <0.001 | (i) Hyponatremia | 45/380 (11.8%) | 102/491 (20.8%) | <0.001 | (ii) Severe hyponatremia | 0/380 (0%) | 6/491 (1.2%) | 0.040 |
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