Hazard ratio was calculated for risk of obtaining a non-diagnostic sample Results SS mean cellularity 45.7% SD 25.7 FS mean cellularity 72.9% SD 17.0 Difference in mean cellularity 27.2% two-tailed p-value=.08 Hazard ratio of obtaining a non-diagnostic sample with SS: HR 5 p=0.28 No statistically significant difference in results but a numerical trend is noted.
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A49 PROSPECTIVE PAIRED COMPARISON STUDY OF 2 FRANSEEN-TIP EUS FNB NEEDLES, FLEXIBLE VS STIFF SHEATH
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