Effect of high-fibre diet on haemostatic variables in diabetes.

walks because of the initial training effect.The time chosen to assess exercise tolerance by walking tests is not critical.Shorter times are easier for both patient and investigator and are as reproducible but discriminate slightly less well and have less of a training role.The six-minute walk may represent a sensible compromise.McGavin CR, Gupta SP, McHardy GJR.Twelve minute walking test for assessing disability in chronic bronchitis.Br MedJ7 1976;i:822-3.