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. Author manuscript; available in PMC: 2008 Oct 14.
Published in final edited form as: Med Care. 2006 Feb;44(2):124–131. doi: 10.1097/01.mlr.0000196978.34283.a6

TABLE 4.

Summary of the Validity of Medicare Claims for Chemotherapy

No. Cases With Chemotherapy Indicated in the First Chart Review % of All Cases With Claims for Chemotherapy
Yes No
No. cases with claims for chemotherapy that were confirmed in medical records as receiving chemotherapy 90 23 75.3%
No. cases with 7 or more claims for chemotherapy that were not identified by medical records as receiving chemotherapy — 33 22.0%
No. cases with 2 to 6 claims for chemotherapy that were not identified by medical records as receiving chemotherapy — 2 1.3%
No. cases with 1 claim only for chemotherapy that were not identified by medical records as receiving chemotherapy — 2 1.3%
Total 90 60 100.0