Table 2.

Analysis of factors affecting functional prognosis

1	Age	Older than 85 years
2	Gender	Male
3	Dementia	Present
4	Fracture type	Femoral neck fracture
5	Residence before injury	Nursing home or hospital
6	Anaemia	Hb:≤12 g/dl in men, ≤11 g/dl in women
7	Liver function	GOT ≥40 IU/l, GPT ≥35 IU/l
8	Renal function	BUN ≥20 mg/dl
9	Electrolyte abnormality	Positive
10	Inflammation status	CRP ≥0.5 mg/dl
11	Urinary glucose	Positive
12	Lung function	Abnormal chest X-ray
13	Cardiac function	Abnormal ECG (arrhythmia, ischemic changes, etc)
14	Chronic systemic diseasea	Diabetes mellitus, congestive heart failure, ischemic heart disease, etc.

GOT glutamic oxaloacetic transaminase, GPT glutamic pyruvic transaminase, BUN blood urea nitrogen, CRP C-reactive protein, ECG electrocardiogram

^aEleven comorbid conditions according to J Richmond et al. (2003)