Table 6. Major and minor complications.

Figures expressed as n (%)

LIA (n=69)	FNB (n=79)
Major Complications	Major Complications
Death – 1 (1.4%)	Pneumonia – 1 (1.3%)
	Myocardial infarction – 1 (1.3%)
Minor Complications	Minor Complications
Minor wound site infection – 2 (2.9%)	Minor wound site infection – 7 (8.9%)
Fall – 1 (1.4%)	Fall – 1 (1.3%)
Urinary retention – 2 (2.9%)	Delirium – 2 (2.5%)
Acute renal impairment – 1 (1.4%)	Urinary tract infection – 2 (2.5%)
Other complications – 3 (4.3%)	Cardiac dysrhythmia –1 (1.3%)
	Pain and poor rehabilitation 1 (1.3%)
	Locked knee 1 (1.3%)