Table 5.

Length of stay for ICD-9-CM codes 191.0–191.9 and 198.3 for those with a length of stay >7.7 and <6.1 days and the incidence of venous thrombosis post-procedure

Primary procedure	Number of patients	ALOS (days) (mean ± SD)	Number of patients with an LOS >7.7 days [n (%)]	Number of patients with an LOS <6.1 days [n (%)]	Incidence of VT (in those with LOS >7.7 days)
LITT (17.61)	27	2.33 ± 2.13	2 (7)	25 (93)	0
Craniotomy (01.59)	340	4.71 ± 3.16	43 (13)	274 (81)	1

ALOS average length of stay, ICD-9-CM International classification of diseases, 9th revision, clinical modification, LITT laser interstitial thermal therapy, LOS length of stay, SD standard deviation, VT venous thrombosis