Table I:

Clinical and laboratory data of the study population (n=118)

Parameter	Value (n, %, CI95% or mean±SD)
Age (years)	79.5±9.4
≤ 80	63 (53.4, 44.3 – 62.5)
> 80	55 (46.6 (37.5 – 55.7)
Gender
Male	37 (31.4, 21.9 – 40.1)
Female	81 (68.6, 57.7 – 79.5)
BMI	19.6±1.8
Underweight	31 (26.3, 17.3 – 35.3)
Normal weight	82 (69.5, 60.5 – 78.5)
Overweight and obese	5 (4.2, 0.5 – 7.9)
Comorbidity	79 (66.9, 58.3 – 75.6)
Hypertension	60 (50.8, 39.8 – 61.8))
Diabetes mellitus	48 (40.7, 29.7 – 51.6)
Cause of fracture
Fall	113 (95.8, 86.8 – 104.8)
Traffic accident	5 (4.2, 0.6 – 7.9)
Type of fracture
Femoral neck fracture	45 (38.1, 29.1 – 47.1)
Intertrochanteric fracture	73 (61.9, 52.9 – 70.9)
Laboratory data
Anemia	96 (81.4, 72.4 – 90.4)
Low protein	24 (20.3, 11.3 – 29.3)
Low albumin	78 (66.1, 57.1 – 75.1)
Normal	20 (16.9, 7.9 – 25.9)
Osteopenic	54 (45.8, 36.8 – 54.8)
Osteoporotic	44 (37.3, 28.3 – 46.3)
Marked elevation of CRP level	83 (70.3, 61.3 – 79.3)
Elevated ure	39 (33.1, 24.1 – 42.1)
Elevated creatinin	1 (0.8, -0.8 – 2.5)
Decreased sodium level	57 (48.3, 39.3 – 57.3)
Decreased calcium level	32 (27.1, 18.1 – 36.1)
Decreased potassium level	22 (18.6, 9.6 – 27.6)
Elevated chloride level	18 (15.3, 6.3 – 24.3)
Abnormal electrolytes	82 (69.5, 60.5 – 78.5)
WTS (hours)	52.1±33.9
≤48 hours	53 (45.8, 36.6 – 54.9)
>48 hours	65 (54.2, 45.1 – 63.4)
Type of treatment
No	3 (2.5)
Fixation	36 (30.5, 21.5 – 39.5)
Partial HA	79 (67.0, 57.9 – 76.0)
Mortality	7 (5.9, 1.6 – 10.3)
Good function recovery†	66 (55.9, 46.8 – 65.2)

† for 111 survival patiens