TABLE 2.

Reliability and Sensitivity of Medicare Claims With Medical Record Abstraction for Prostate Cancer Surgery, Radiation Therapy, Hormonal Therapy, NPCR POCBP Study

Treatment*	Claims	Records	Concordant Cases	Claims (y) Records (n)	Claims (n) Records (y)	Sensitivity	κ*
Surgery‡(n = 2700)	635	595	576	59	19	96.8	0.92
Prostatectomy (radical, subtotal, segmental, simple)	487	490	477	10	13	97.3	0.97
Cryotherapy	98	91	87	11	4	95.6	0.92
Hyper/laser§	28	12	7	21	5	58.3	0.35
Radiation therapy|| (n = 2696)	1382	1380	1327	55	53	96.2	0.92
External beam	1103	825	786	317	39	95.3	0.72
Brachytherapy	643	301	286	357	15	95.0	0.54
Combination of external beam and brachytherapy	371	242	227	144	15	93.8	0.71
Hormonal therapy (LHRH agonists) (n = 2690)	1247	959	912	335	47	95.3	0.71

^*Unknown treatment excluded from analyses; TURP not considered surgery.

^†POCBP medical records used as gold standard.

^‡Includes with or without RT or LHRH agonists

^§Includes laser ablation, hyperthermia, radiofrequency, or microwave treatments.

^||Includes with or without surgery or LHRH agonists.