Table 2 Comparison of incidence rate of hyponatremia between groups
From: A retrospective study: exploring preoperative hyponatremia in elderly patients with hip fractures
|  | Fracture group | Control group | χ² value | P value |
|---|---|---|---|---|
Hyponatremia | 93(22.20%) | 3(1.81%) | 36.030 | 0.000 |