eMJA Casemix Supplement: Ruben & Fisher Box 2

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Casemix: moving forward

DRG	ATSI-rural	ATSI-urban	Ratio ATS-rural/ATSI-urban	Total ATSI	Non-ATSI	Ratio ATSI/Non-ATSI
180	7.4 (4.2)	5.5 (4.7)	1.4:1 P <0.001	6.9 (4.4)	3.4 (2.3)	2.0:1 P <0.001
186	5.8 (3.6)	3.5 (3.7)	1.7:1 P <0.001	5.8 (3.8)	2.4 (1.9)	2.1:1 P <0.001
335	9.4 (5.6)	5.1 (4.0)	1.8:1 P <0.001	8.8 (5.6)	2.3 (3.2)	3.8:1 P <0.001
533	12.5 (6.6)	10.3 (7.6)	1.2:1 P <0.05	12.3 (6.7)	5.5 (7.4)	2.3:1 P <0.001
Total	9.4 (5.9)	5.1 (4.9)	1.8:1 P <0.001	8.6 (6.0)	2.6 (2.6)	3.3:1 P <0.001

ATSI = Aboriginal and Torres Strait Islander. DRG = Diagnosis-related group (AN-DRG-2). DRG 180 Simple pneumonia, age < 10 years. DRG 186 Bronchitis and asthma, age < 10 years. DRG 335 Gastroenteritis, age < 10 years. DRG 533 Nutritional and miscellaneous metabolic disorders, age < 10 years.