Table 6. Distribution of 1997/1998 ACSC Admissions Across 305 Medicare+Choice (M+C) Organizations.

ACSC	Number of ACSC Admissions	M+C Organizations with no ACSC Admissions	ACSC Admissions
			Mean	Standard Deviation	Median	Quartile
						1st	2nd	3rd	4th
Total	191,323	41	627	1,324	183	28	183	681	11,281
Acute1	107,608	21	353	479	104	14	104	381	6,903
Chronic2	82,818	17	272	576	82	14	82	269	4,634
Preventable3	897	136	1	0	1	0	1	3	74
Asthma/COPD	34,031	63	112	232	36	5	36	121	2,037
Congestive Heart Failure	57,487	45	188	402	52	7	52	198	3,747
Seizure Disorder	3,997	110	13	31	3	0	3	13	304
Diabetes Mellitus	6,783	90	22	52	6	0	6	20	451
Hypertension	5,310	90	17	40	5	0	5	17	364
Ulcer	6,398	83	21	48	6	1	6	19	452
Hypoglycemia	320	209	1	3	0	0	0	1	23
Urinary Tract Infection	12,956	65	42	95	12	2	12	42	809
Cellulitis	8,119	79	27	56	7	1	7	27	408
Dehydration	10,768	66	35	73	9	2	9	37	602
Hypokalemia	777	157	3	6	0	0	0	2	48
Pneumonia	43,384	57	142	304	41	7	41	138	2,654
Severe Ear/Nose/Throat Infections	96	251	0	1	0	0	0	0	9
Influenza	431	185	1	4	0	0	0	1	57
Malnutrition	466	166	2	3	0	0	0	2	29

¹Acute conditions are hypoglycemia, urinary tract infections, cellulitis, dehydration, hypokalemia, gastric or duodenal ulcer, bacterial pneumonia, and severe ear/nose/throat infections.

²Chronic conditions are asthma/COPD, congestive heart failure, seizure disorder, diabetes mellitus, and hypertension.

³Preventable conditions are influenza and malnutrition.

NOTES: ACSC is ambulatory care sensitive condition. COPD is chronic obstructive pulmonary disease.

SOURCE: Health Economics Research, Inc., analysis of 1997/1998 M+C inpatient hospital encounter data.