Group Time elapsed from procedure to diagnosis of perforation (hr) Awarded compensation (USD)
Grade 1 (n=10, death n=0) 0 (0-6.1) P=0.102 * 7,378.80 (6,837.46-9,711.36) P=0.016 * 1<3**
Grade 2 (n=7, death n=0) 35 (24.3-49) 8,583.69 (4,771.48-17,243.81)
Grade 3 (n=5, death n=5) 4 (0-32.5) 34,573.05 (34,334.76-39,016.64)