patients who completed the laboratory and follow-up procedures in study 2, 3 attended the 14-day but not the 30- and 90-day interviews, 2 did not attend the 14-day but attended their 30- and 90-day interviews, an additional 2 attended the 14- and 30-day but not their 90-day interviews, and 1 patient only attended the 30-day interview. Overall, follow-up rates were 98% at day 14, 93% at day 30, and 89% at day 90.
