Table 4.

Utilization and costs of therapeutic procedures (treatment and surgery) related to gastroenterological diseases among cohorts (n = 183 976) in 2001

Item of therapeutic procedure	No. of patients	No. of orders	Total cost
			US $	%	Cum.%
Nasal feeding	917	28 352	167 762	15.7%	15.7%
Repair of inguinal hernia	322	359	94 046	8.8%	24.5%
(without bowel resection)
Appendectomy	226	226	74 145	7.0%	31.5%
Laparoscopic cholecystectomy	83	84	68 081	6.4%	37.9%
Hemorrhoidectomy,	198	199	59 994	5.6%	43.5%
internal & external
Trans-arterial embolization (T.A.E.)	65	96	57 634	5.4%	48.9%
Insertion of nasogastric tube	1 745	5 370	25 609	2.4%	51.3%
Heat probe during endoscopy	162	185	21 893	2.1%	53.4%
Cholecystectomy	58	58	18 485	1.7%	55.1%
Eendoscopic papillectomy	31	32	17 893	1.7%	56.8%
Colonoscopic polypectomy	153	157	17 140	1.6%	58.4%
Internal hemorrhoid ligation	216	356	16 795	1.6%	60.0%
Gastric decompression	900	3 712	16 473	1.5%	61.5%
Percutaneous transhepatic	38	54	15 735	1.5%	63.0%
cholangiography drainage (PTCD)
Choledocholithotomy with	28	28	15 282	1.4%	64.4%
T-tube drainage
Radical gastrectomy	14	14	15 061	1.4%	65.8%
Radical proctectomy	11	11	14 723	1.4%	67.2%
Radical hemicolectomy with	23	23	13 973	1.3%	68.5%
ascending colon anastomosis
Restorative proctectomy with	11	11	13 948	1.3%	69.8%
colo-anal anastomosis
Vagotomy and pyloroplasty	20	20	13 911	1.3%	71.1%
Others			307 915	28.9%	100.0%
Totala	8 349	60 245	1 066 497	100.0%

^aNumbers might not add to totals because of rounding.