A new syndrome with forms A and B has been discovered.

A clinic wishes to avoid the existing long, costly and disturbing process of differential diagnosis and is investigating the possibility of the use of five simple diagnostic tests

(a,

b, c,

d, e) as an alternative to the existing diagnostic procedure. For the 31 patients, 17 with form A and 14 with form B, recently referred to the clinic, the five tests have been carried out and the results in standard units are recorded below.