passages.id: split_4_test_162_passage
passages.type: progene_text
passages.text: The JTc delta among the three groups did not differ as well : JTc delta of the VT group was 70 ms +/- 30 ms , the JTc delta of the PVC group was 60 msec +/- 25 msec , and the JTc delta of the control group was 70 ms +/- 30 ms .