Table 2. In hospital complications during the study period.

	%		%
Acute coronary syndrome	2.4	Heart failure	0.7
Atrial fibrillation	1	Stroke	0.3
PE- proxymal DVT	1.4	Distal DVT	11.0
Sepsis	0.3	Respiratory infection	4.5
Urinary infection	5.5	Post operative anemia	40.8
Acute renal failure	1.0	Post operative hypoxia	13.7