A general surgeon noted a number of errors in his hospital's diagnosis of appendicitis. Of the next 200 patients with abdominal pain, 104 turned out to have had appendicitis and 96 turned out not to have had appendicitis.

Of those with appendicitis, 82 were correctly diagnosed; of those without appendicitis, 73 were correctly diagnosed.

(a) Form a truth table. Calculate and state the interpretation of

(b) the false-positive rate,

(c) the falsenegative rate,

(d) sensitivity,

(e) specificity,

(f) accuracy, and (g) the OR for this hospital's clinical diagnosis of appendicitis.