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. 2021 Apr 16;94(1121):20201160. doi: 10.1259/bjr.20201160

Table 3.

Comparison of good responders and poor responders, in terms of change in mean TTP (E1s), post each cycle of NACT compared with baseline (pre-NACT)

Time point comparison Change in TTP (E1s) from pre-NACT to third cycle of NACT Comparison of the two groups in terms of difference of TTP (E1s) from pre-NACT to follow-up NACT cycles
Good responder Poor responder
Mean (SD) of absolute change Mean (SD) of % change Mean (SD) of absolute change Mean (SD) of % change p-value of absolute change p-value of % change
Post first cycle - pre-NACT 0.75 (1.02) 38.4% (55.5) −0.16 (3.36) 7.6% (55.9) 0.054 0.031
Post second cycle - pre-NACT 1.72 (1.90) 83.6% (89.4) 0.14 (4.11) 22.3% (100.1) 0.014 0.013
Post third cycle - pre-NACT 5.19 (4.04) 205.0% (151.2) 0.26 (6.09) 38.1% (153.8) 0.008 0.004

NACT, neoadjuvant chemotherapy; SD, standard deviation; TTP, time-to-peak.