Table 6 Number of diagnoses, underlying or contributing, according to period of death.

Time of death		Mean no. of diagnoses				p
		Patients (n = 249)		Controls (n = 1245)
1951–1968		1.36		1.23		0.09
1969–1985		2.53		1.90		<0.001*
1986–1995		2.63		1.98		<0.001*
1996–2001		3.37		2.46		<0.001*

Mann‐Whitney tests were performed for each time period, comparing the number of diagnoses in patients and controls. *Statistical significance.