PubMed Central, : RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2015 July; 6(3): e0033. ISSN: 2076-9172Published online 2015 July 30. doi: 10.5041/RMMJ.10218.

Table 2.

Comparison between NNT Computed from the Incidence Rate of Liver Failure Per Patient-Year with That from More Proper Cumulative Incidence Based on the Kaplan–Meier Approach for the Hypothetical Three-arm 1-Year Trial of 3,000 Patients with the (Imaginary) Iron Overload Syndrome.

				Using Kaplan–Meier Approach		Using Simple Rate Per Patient-year
Treatment	Number of Patients	Number of Patient-years	Number with Liver Failure	1-Year Cumulative Incidence	Number Needed to Treat	Incidence Rate Per Patient Per Year	Number Needed to Treat
Placebo	1000	549.8	324	0.454		0.589

Fedom	1000	576.2	230	0.286	6	0.399	6

Feclad	1000	615.7	238	0.441	77	0.387	5

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2015 July; 6(3): e0033. ISSN: 2076-9172

Published online 2015 July 30. doi: 10.5041/RMMJ.10218