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Table 4 Objective response rates to first- and second-line treatments in patients who received chemotherapy alone

From: Right- and left-sided colorectal cancers respond differently to cetuximab

Response Fist-line treatment Second-line treatment
RSCC LSCRC RSCC LSCRC
Total 61 56 44 49
Best ORR 16 (26.2) 16 (28.6) 5 (11.4) 5 (10.2)
CR 3 (4.9) 0 (0) 0 (0) 0 (0)
PR 13 (21.3) 16 (28.6) 5 (11.4) 5 (10.2)
SD 28 (45.9) 28 (50.0) 21 (47.7) 23 (46.9)
PD 14 (23.0) 12 (21.4) 16 (36.4) 19 (38.8)
NA 3 (4.9) 0 (0) 2 (4.5) 2 (4.1)
P valuea 0.837 1.000
  1. a The ORR was compared between the RSCC and LSCRC patients who received chemotherapy alone. Footnotes as in Tables 1 and 3