Annelotte van Bommel

129 Information provision of immediate breast reconstruction Table 3. Effect of information provision about immediate breast reconstruction (IBR) on receiving IBR, corrected for patient, tumor, and treatment characteristics. (continued) n Univariable Multivariable P-value b OR 95% CI OR 95% CI Multifocality No 386 Ref Ref Yes 148 1.79 1.21 – 2.64 2.52 1.43 – 4.42 0.001 Treatment characteristics Mastectomy a Unilateral mastectomy 448 Ref Ref Bilateral mastectomy 86 3.24 1.94 – 5.39 2.22 1.08 – 4.55 0.029 Axillary dissection No 128 Ref - - - Yes 406 Omitted omitted - - - Neo-adjuvant chemotherapy No 460 Ref Ref Yes 74 0.63 0.37 – 1.07 0.99 0.41 – 2.40 0.994 Radiotherapy No 394 Ref Ref Yes 140 0.40 0.26 – 0.61 0.52 0.28 – 0.98 0.045 Hospital factors IBR hospital volume c Low 76 0.39 0.22 – 0.68 0.43 0.20 – 0.94 0.035 Middle 186 0.60 0.41 – 0.88 0.41 0.24 – 0.69 0.001 high 272 Ref Ref IBR, immediate breast reconstruction. a Self-reported. b Chi-square tested. c Hospital volume (%IBR) was based on percentage of annual IBR for mastectomy patients, and categorized as low (0% IBR), middle (0-15%) or high volume (>15%). 7