Table 1.

Baseline characteristics and clinical course through 30 days after hip fracture repair surgery. sd, standard deviation

	Total (n=200)	Lighter (n=100)	Heavier (n=100)
Baseline variables	n (%)
ASA physical status classification
Mild systemic disease (2)	61 (30.5)	37 (37.0)	24 (24.0)
Severe systemic disease (3)	128 (64.0)	59 (59.0)	69 (69.0)
Systemic disease that is a constant threat to life (4)	11 (5.5)	4 (4.0)	7 (7.0)
Charlson comorbidity items
Myocardial infarction	23 (11.5)	12 (12.0)	11 (11.0)
Congestive heart failure	23 (11.5)	11 (11.0)	12 (12.0)
Peripheral vascular disease	12 (6.0)	7 (7.0)	5 (5.0)
Chronic obstructive pulmonary disease	32 (16.0)	17 (17.0)	15 (15.0)
Cerebrovascular disease	32 (16.0)	17 (17.0)	15 (15.0)
Cancer
Any solid tumour	18 (9.0)	8 (8.0)	10 (10.0)
Leukaemia	2 (1.0)	0 (0.0)	2 (2.0)
Lymphoma	4 (2.0)	1 (1.0)	3 (3.0)
Metastatic solid tumour	3 (1.5)	1 (1.0)	2 (2.0)
Diabetes mellitus
Without end organ damage	33 (16.5)	15 (15.0)	18 (18.0)
With end organ damage	9 (4.5)	4 (4.0)	5 (5.0)
Chronic liver disease
Mild	2 (1.0)	1 (1.0)	1 (1.0)
Moderate or severe	1 (0.5)	0 (0.0)	1 (1.0)
Chronic kidney disease	4 (2.0)	1 (1.0)	3 (3.0)
Dementia (n=199/99/100)	22 (11.1)	10 (10.0)	12 (12.1)
In-hospital variables
Day from surgery until discharge Mean (sd)	3.9 (2.5)	4.1 (2.6)	3.7 (2.5)
Admission to ICU from surgery until discharge	24 (12.0)	11 (11.0)	13 (13.0)
Complications within 30 days after surgery
Wound complications	13 (6.5)	7 (7.0)	6 (6.0)
Pulmonary complications	17 (8.5)	8 (8.0)	9 (9.0)
CNS complications	6 (3.0)	3 (3.0)	3 (3.0)
Cardiovascular complications	28 (14.0)	16 (16.0)	12 (12.0)
Renal complications	43 (21.5)	24 (24.0)	19 (19.0)
Orthopaedic complications	6 (3.0)	5 (5.0)	1 (1.0)
Hospital readmission	46 (23.0)	24 (24.0)	22 (22.0)
Death	6 (3.0)	3 (3.0)	3 (3.0)