NOURISH, Nutritional OUtcomes from a Randomised Investigation of Intradialytic oral nutritional Supplements in patients receiving Haemodialysis: a pilot randomised controlled trial

Table 3 Sample size estimation based on changes in handgrip strength

Minimum clinically important difference (kg)	80% power	85% power	90% power	95% power
2	450	515	603	745
4	113	129	151	187
6	50	58	67	83
10	18	21	25	30

Type 1 error of 0.05 and standard deviation of 10.705 (calculated from this pilot sample). Increase by 20% to account for dropout rate.

ISSN: 2055-5784