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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Plast Reconstr Surg. 2018 Feb;141(2):271–281. doi: 10.1097/PRS.0000000000004016

Table 5.

Adjusted Mean Difference between Procedure Types (with DIEP as Reference Category) on BREAST-Q and PROMIS

PRO Procedure One year post-op Two years post-op


Adjusted mean difference1(95% CI) P Adjusted mean difference1(95% CI) P
BREAST-Q: Satisfaction with breast DIEP -Ref- -Ref-
PTRAM 1.36 (−3.45, 6.17) 0.577 2.67 (−2.53, 7.87) 0.313
FTRAM 0.04 (−4.56, 4.63) 0.987 2.12 (−2.90, 7.14) 0.406
SIEA −1.82 (−6.37, 2.72) 0.431 0.42 (−5.56, 6.40) 0.889

BREAST-Q: Psychosocial well-being DIEP -Ref- -Ref-
PTRAM 1.27 (−3.43, 5.97) 0.595 0.62 (−3.95, 5.20) 0.789
FTRAM −1.14 (−5.33, 3.05) 0.593 −0.08 (−5.33, 5.18) 0.977
SIEA −0.67 (−5.66, 4.32) 0.791 1.64 (−3.64, 6.91) 0.541

BREAST-Q: Physical well-being (chest and upper body) DIEP -Ref- -Ref-
PTRAM 1.52 (−1.94, 4.99) 0.388 −3.92 (−7.66, −0.18) 0.040
FTRAM −1.55 (−5.35, 2.24) 0.417 −2.22 (−5.89, 1.45) 0.234
SIEA 3.42 (−0.22, 7.05) 0.065 0.76 (−3.44, 4.95) 0.722

BREAST-Q: Physical well-being (abdomen) DIEP -Ref- -Ref-
PTRAM −4.01 (−8.48, 0.45) 0.078 −7.22 (−12.30, −2.14) 0.006
FTRAM −4.16 (−8.33, 0.02) 0.051 −4.90 (−9.50, −0.31) 0.037
SIEA 4.72 (−0.07, 9.52) 0.053 0.58 (−4.79, 5.95) 0.832

BREAST-Q: Sexual well-being DIEP -Ref- -Ref-
PTRAM 0.81 (−4.31, 5.93) 0.755 −2.61 (−8.97, 3.75) 0.416
FTRAM −2.33 (−7.10, 2.44) 0.335 2.35 (−3.40, 8.10) 0.420
SIEA −2.66 (−8.63, 3.31) 0.378 1.97 (−4.15, 8.09) 0.526

PROMIS: Physical function DIEP -Ref- -Ref-
PTRAM 0.00 (−2.09, 2.10) 0.996 1.48 (−0.59, 3.55) 0.159
FTRAM −0.03 (−2.36, 2.30) 0.980 0.42 (−1.52, 2.36) 0.666
SIEA 1.26 (−0.74, 3.26) 0.212 1.20 (−1.09, 3.49) 0.302

PROMIS: Pain DIEP -Ref- -Ref-
PTRAM −0.07 (−2.10, 1.97) 0.949 0.44 (−2.25, 3.13) 0.745
FTRAM 0.34 (−1.91, 2.60) 0.761 −0.50 (−2.57, 1.57) 0.636
SIEA −0.60 (−2.54, 1.34) 0.544 0.11 (−2.34, 2.57) 0.928
1

Denotes the mean difference in PRO between the corresponding procedure type and DIEP (reference category); Based on separate mixed-effects regression model for each PRO outcome. Each model included as covariates baseline outcome, age, BMI, laterality, indication for mastectomy, timing of reconstruction, smoking status, diabetes, radiation and chemotherapy; Each model also included random intercepts for centers (hospitals) to account for between-center variability. The results were combined based on 10 multiply imputed data sets.