Table 6

 Number of diagnoses, underlying or contributing, according to period of death

Time of deathMean no. of diagnosesp
Patients (n = 249)Controls (n = 1245)
Mann-Whitney tests were performed for each time period, comparing the number of diagnoses in patients and controls. *Statistical significance.
1951–19681.361.230.09
1969–19852.531.90<0.001*
1986–19952.631.98<0.001*
1996–20013.372.46<0.001*