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Table 6 Sample size required for a parallel study design based on the data observed

From: Comparing mixed oil to soybean oil lipid emulsion in patients on home parenteral nutrition: a pilot prospective double-blind, crossover, randomized trial

Power

80%

85%

90%

ALT

1050

1200

1404

ALP

908

1038

1214

CRP

104

118

138

WBC

16

18

20

  1. The calculations are based on a two-sided test at a 5% significance level and the sample size is for the total number of patients required
  2. ALP alkaline phosphatase, ALT alanine transaminase, CRP C-reactive protein, WBC white blood cells