. 1988 Fall;10(1):37–49.

Table 5. Mean charges per person-year in 1982 constant dollars for surviving and deceased Marshfield Medicare enrollees and fee-for-service beneficiaries, by type of charges and enrollment period: 1980-82.

Enrollment period	Total charges			Part A charges			Part B charges

	Enrollee	Fee-for-service¹	Ratio	Enrollee	Fee-for-service¹	Ratio	Enrollee	Fee-for-service¹	Ratio
Total
Total postenrollment (27 months)	$^*2,183	$1,999	1.09	$1,401	$1,509	0.93	$^*844	$550	1.53
1 year preenrollment	^*956	1,258	0.76	^*592	839	0.71	364	353	1.03
1 year postenrollment	^*1,963	1,657	1.19	1,177	1,199	0.98	^*787	458	1.72
2 year postenrollment	1,889	1,729	1.09	1,138	1,201	0.95	^*751	528	1.42
Survivors
Total postenrollment (27 months)	^*1,474	1,113	1.32	873	807	1.08	^*665	370	1.80
1 year preenrollment	841	891	0.94	^*513	578	0.89	^*330	299	1.10
1 year postenrollment	^*1,414	945	1.50	^*767	631	1.21	^*647	313	2.06
2 year postenrollment	^*1,424	1,207	1.18	787	799	0.99	^*637	409	1.56
Decedents²
Total postenrollment (27 months)	^*12,673	10,335	1.23	9,215	8,113	1.14	^*3,488	2,241	1.56
1 year preenrollment	^*2,525	4,462	0.57	^*1,672	3,119	0.54	825	823	1.00
1 year postenrollment	^*10,100	8,362	1.21	7,247	6,541	1.11	^*2,853	1,821	1.57
2 year postenrollment	^*14,153	11,481	1.23	10,398	8,729	1.19	^*3,755	2,752	1.36

Significantly different from fee-for-service charges at the .05 level.

Weighted to reflect the age, sex, and geographic distribution (the health maintenance organization penetration rate by county) of the enrollee population.

The number of enrollee deaths was 546. Among the fee-for-service comparison group, 1,536 died during the demonstration period.

SOURCE: For fee-for-service beneficiaries and Marshfield enrollees' preenrollment: Health Care Financing Administration, Bureau of Data Management and Strategy: Data from the Medicare Statistical System; for Marshfield enrollees' postenrollment: Data reported by the Greater Marshfield Community Health Plan.