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Table 2 Response rate of the tumors treated by electrochemotherapy, pooled from individual studies

From: Electrochemotherapy: from the drawing board into medical practice

Publication period No. of studies No. of patients No. of tumors OR (%) CR (%) PR (%) NR (%)
Before SOP 19 175 592 458 (77.4%)a, b 362 (61.1%) 96 (16.3%)c, d 134 (22.6%)e, f
ESOPE 1 41 171 145 (84.8%) 126 (73.7%) 19 (11.1%) 26 (15.2%)
After SOP (Oct 2011) 25 294 1192 1047 (87.8%)a 712 (59.7%) 335 (28.1%)c 145 (12.2%)e
After SOP (Aug 2013) 41 519 1664 1478 (88.8%)b 1031 (62.0%) 447 (26.9%)d 186 (11.2%)f
  1. The studies are grouped in those before, and after the ESOPE study, when the standard operating procedures were published, in 2006. OR = objective response (complete response + partial response); CR = complete response; PR = partial response; NR = no response (no change + progressive disease); a, b, c, d, e, f = statistically significant difference (p < 0.001, Chi-square test).