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Table 4 Comparison of mean systolic arm pressure between subjects in stand-by group 5, duplicate measurement groups 1–3, and incomplete group 4

From: A new efficient trial design for assessing reliability of ankle-brachial index measures by three different observer groups

Brachial SBP Group 1–3 Group 4 Group 5 Total p-value
N 108 36 45 189  
Mean 148 148 159 150 0.004
SD 17.0 18.1 26.8 20.4  
Median 147 145 158 148  
25 th percentile 133 136 138 134  
75 th percentile 158 155 178 161  
Min 112 113 110 110  
Max 193 199 215 215  
Missing 0 0 0 0  
  1. p-values: analysis of variance