Skip to main content

Table 1 Demographic characteristics and 6MWT results of all subjects

From: Six-minute walking distance in healthy Chinese people older than 60 years

CharacteristicMale (n = 128)Female (n = 138)p-value*Total (n = 266)
Age, years72 ± 872 ± 8NS72 ± 8
Height, cm167 ± 5156 ± 5< 0.001162 ± 8
Weight, kg67 ± 756 ± 7< 0.00161 ± 9
BMI, kg/m224 ± 223 ± 2< 0.0524 ± 2
HRi, bpm75 ± 977 ± 10< 0.0576 ± 10
HRf, bpm100 ± 12104 ± 12< 0.05102 ± 12
HR change, bpm25 ± 1227 ± 11NS26 ± 12
% mHR68 ± 871 ± 8< 0.0569 ± 8
SBPi, mmHg131 ± 8131 ± 7NS131 ± 7
DBPi, mmHg76 ± 878 ± 8NS77 ± 8
SBPf, mmHg155 ± 12155 ± 12NS155 ± 12
DBPf, mmHg86 ± 985 ± 8NS86 ± 9
SpO2i, %98 ± 198 ± 1< 0.0598 ± 1
SpO2f, %97 ± 1.98 ± 1< 0.0597 ± 1
Borg3 ± 13 ± 1NS3 ± 1
6MWD, m518 ± 72487 ± 700.001502 ± 73
  1. Values are presented as means±SD
  2. *p-values for the comparison between males and females
  3. 6MWT (D): six-minute walking test (distance); BMI: body mass index; i: initial; f: final; change: change with exercise; SBP: systolic blood pressure; DBP: diastolic blood pressure; HR: heart rate; SpO2: oxygen saturation; % mHR: percentage of the predicted maximum heart rate; SpO2i: resting SpO2; SpO2f: end-test SpO2; Borg: dyspnea perception scale