Table 7. AGI-related hospital separations by diagnosis-related group and their weighted costs.

Australian Refined Diagnosis Related Group (AR-DRGs) [31]	% of separationsa	Item cost (AUD)	Weighted cost (AUD)
AR-DRG G67A: Oesophagitis and gastroenteritis with catastrophic or severe complication or comorbidity	31.4%	$6,261.79	$1,969.12
AR-DRG G67B: Oesophagitis and gastroenteritis without catastrophic or severe complication or comorbidity	68.6%	$2,098.26	$1,428.43
Total weighted average cost			$3,407.55

^aSeparations are defined as “cessation of an episode of care for a patient within the one hospital stay” [43].