Table 3. Association of the length of stay in ICU with the type of anesthesia.

CLE: continuous lumbar epidural; LSPB: lumbar and sacral plexus block; SAB: subarachnoid block

Length of stay	Type of anesthesia			p-value
	CLE (n=41)	LSPB (n=35)	SAB (n=38)
24 hr	24(54.5%)	20 (45.5%)	0 (0.0%)	<0.00001
48 hr	12 (28.6%)	9 (21.4%)	21 (50.0%)
72 hr	0 (0.0%)	0 (0.0%	10 (100.0%)
96 hr	3 (23.1%)	4 (30.8%	6 (46.2%)
120 hr	2 (40.0%)	2 40.0%	1 (20.0%)