Salmonella spreading rapidly across 19 claims: Spicy tuna rolls to blame? PICTURES: 10 Ways to Catch Salmonella The company announced Moon Marine USA Corporation of Cupertino, Calif., will recall almost 59 voluntarily,000 pounds of a frozen yellowfin tuna product called Nakaochi Scrape AA or AAA. The merchandise is tuna backmeat scraped from the bones to look like a ground product, and isn’t sold to customers straight in stores. The product however is sold to restaurants and grocery store chains around the united states to make sushi, sashimi, cerviche, and additional raw fish-dishes. From the 116 people who have been sickened, 12 have already been hospitalized and no one has died.Statistical Analysis Assuming an event price in the placebo group of about 4 percent,14 we calculated that 1600 patients per group would be required to detect a 50 percent decrease in relative risk in favor of semuloparin with a power of 90 percent, using a two-sided Fisher’s correct test in an alpha level of 0.05. All sufferers who underwent randomization were contained in the main efficacy population , and the ones who underwent randomization and received at least 1 dose of the analysis treatment were contained in the security population. To correct for competing risks in the principal efficacy and protection analyses, a cumulative incidence approach was followed by using Gray’s two-sample test .23 Hazard ratios and 95 percent confidence intervals were calculated by using the Great and Gray regression model.24 Cumulative incidence functions were estimated separately for both study groups with the use of the Prentice nonparametric estimator and a style of cause-specific hazards, as well as 95 percent confidence intervals.