Document 7MLyNrq1D7vjBvGXepK6KBY0V

1 which is the Hessel 2004 paper. Page 229 2 (Plaintiffs' Exhibit 16 was marked for 3 identification by the court reporter.) 4 BY MR. RUCKDESCHEL: 5 Q Are you familiar with this article? 6 A Yes. 7 Q Do you rely upon this article? 8 A Yes. 9 Q Can you explain to me, Doctor, Page 550, why 10 the odds ratio for nonoccupational brake work is higher 11 than the odds ratio for occupational brake work? 12 A Well, there is no difference between the two. 13 They are virtually identical. You can't defer anything 14 from that. The confidence intervals are completely -- 15 Q In the chart you did, Exhibit 15, Doctor, 16 column, the fifth column, the last typed column has 17 been "Statistically Significant," and you crossed off 18 the word "Significant" and inserted the word "Increased 19 Risk." Why? 20 A It's because it's.a statistically increased 21 risk versus background. 22 Q Doctor, if the confidence interval of an 23 epidemiological study spans 1, by definition the 24 results of the study are not statistically significant? 25 A Right. ESQUIRE DEPOSITION SERVICES (415) 288-4280