Table 1.

RCT comparing PTGBD and conservative treatment for high-risk acute cholecystitis (PTGBD)

	n	(ICUa)	Symptom improvement	Mortality
PTGBD group	63	(6)	86%	17.5%
Conservative treatment	60	(2)	87%	13% NS

^a No. of patients in ICU (intensive care unit) (Adapted from reference 9)