Established Complications I

  The statistic's final output is calculated in the module spkomp1.prg in the procedure calc_verlauf which iterates over all patients. Starting with line 277: if (s_patno <> pat_nr), a patient's data is stored as soon as the next patients data is found. Since, there is no patient after the last one, one patient is ignored for each period of time. If there is only one patient, an output line is being produced that consists only of zeros. The graphical display function then stops its work with the following output:

Floating point error: Divide by 0.
Abnormal program termination