Table 2.
Differences in the 6-minute walking distance within and between study and control group after 3 months of follow-up.
|
Fontaine IIa (n=26) | Fontaine IIb (n=13) | Fontaine IIa, IIb (n=39) | |||
Study (n=12) | Control (n=14) | Study (n=7) | Control (n=6) | Study (n=19) | Control (n=20) | |
Difference in meana (meters) | 97.0 | –35.3 | 59.4 | –47.0 | 83.0 | –38.8 |
Median (meters) | 89.9 | –22.0 | 30.0 | –22.5 | 60 | –22.0 |
SD (meters) | 78.6 | 55.9 | 57.0 | 52.2 | 72.2 | 53.7 |
95% CIb (meters) | 47.0-147.0 | –67.5-3.0 | 6.3-111.8 | –101.8-7.8 | 48.2-117.8 | –63.9-3.6 |
Difference in mean between both groups (meters) | 132.3 | 106.4 | 121.8 | |||
SD (meters) | 135.5 | 71.6 | 176.4 | |||
95%-CIc (meters) | 75.5-189.0 | 39.2-172.8 | 80.2-163.4 | |||
P value | .01 | .01 | .01 |
a Positive mean indicates an improvement.
b.Difference between study and control group of the sub group.
cThe true difference of the population between both groups.