Question

Using data from the following table, answer the questions that follow. Be careful…the primary outcome is a beneficial thing (smoking abstinence at 24 weeks).

	Total	7-day abstinence at 24 weeks	Serious adverse event at 24 weeks
Extended Treatment	105	40	14
Standard Treatment	102	28	9
Total	207	68	23

1. What is the number needed to treat with the extended treatment to result in 1 person with 7-day abstinence at 24 weeks? Calculate and interpret your answer numerically.

Answer 1

Given that: