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Table 1 Characteristics of the subjects (n = 39)

From: Cardiac hemodynamic response to the 6-minute walk test in young adults and the elderly

  Young Elderly P
Subject number (f/m) 8/5 21/5 0.25
Age (years) 20.5 ± 0.7 (20–22) 60.2 ± 6.1 (48–74) <0.001
Height (cm) 166 ± 2 (148–183) 160 ± 8 (147–179) 0.04
Weight (kg) 61 ± 17 (38–110) 56 ± 8 (37–73) 0.26
Body mass index (kg/m2) 22.0 ± 4.3 (17.3–34.3) 21.7 ± 2.2 (16.9–25.3) 0.80
6-minute walk distance (m) 541 ± 46 (475–620) 533 ± 78 (430–743) 0.68
Exercise intensity (%) 59 ± 13 (37–92) 76 ± 14 (53–102) 0.001
  1. Values are expressed as mean ± standard deviation. Numbers in parentheses represent ranges of values. P values between young and elderly subjects