Table 3.

Significantly associated injuries among elderly patients with hyponatremia.

Variables (Fall < 1 m)	Patients ≥ 65 y/o with Hyponatremia n = 492		Patients ≥ 65 y/o without Hyponatremia n = 2002		Patients 20–64 y/o with Hyponatremia n = 125		OR (95% CI) p Patients ≥ 65 y/o with Hyponatremia vs. Patients ≥ 65 y/o without Hyponatremia			OR (95% CI) p Patients ≥ 65 y/o with Hyponatremia vs. Patients 20–64 y/o with Hyponatremia
Cranial fracture	6	(1.2)	38	(1.9)	7	(5.6)	0.6	(0.27–1.52)	0.347	0.2	(0.07–0.63)	0.007
Epidural hematoma (EDH)	7	(1.4)	27	(1.3)	7	(5.6)	1.1	(0.46–2.44)	1.000	0.2	(0.08–0.71)	0.012
Intracerebral hematoma (ICH)	8	(1.6)	34	(1.7)	6	(4.8)	1.0	(0.44–2.08)	1.000	0.3	(0.11–0.96)	0.044
Thoracic vertebral fracture	9	(1.8)	15	(0.7)	0	(0.0)	2.5	(1.07–5.67)	0.038	-	0.216
Radial fracture	23	(4.7)	222	(11.1)	4	(3.2)	0.4	(0.25–0.61)	<0.001	1.5	(0.50–4.37)	0.627
Ulnar fracture	10	(2.0)	91	(4.5)	4	(3.2)	0.4	(0.23–0.84)	0.015	0.6	(0.19–2.04)	0.498
Femoral fracture	280	(56.9)	1070	(53.4)	33	(26.4)	1.2	(0.94–1.40)	0.173	3.7	(2.38–5.69)	<0.001

The values with significant difference between groups are expressed in bold.