Table 3. Preference Concordance: Calculated Treatment Preference Based on Rating and Ranking vs Treatment Received^a.

Calculated Treatment Preference	Treatment Receivedb		Total
	Mastectomy Only	Mastectomy With Reconstruction
Mastectomy only	39c	43	82
Mastectomy with reconstruction	5	36c	41
Totald	44	79c	123

^aConcordance: (39 + 36)/123 = 61.0%; κ = 0.29 (95% CI, 0.15-0.42).

^bPatients who had radiotherapy and stated treatment preference of reconstruction assumed to have delayed reconstruction.

^cIndicates concordant treatment.

^dDoes not include 3 patients who were missing rating or ranking data.