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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