CHD mortality trends by age-group and deprivation quintiles, women, England 1982–2006.
Average annual percentage change (AAPC) and annual percentage change (APC) per segment calculated using Joinpoint software analysis.
APC = annual percentage change (for each period segment).
AAPC = annual average percentage change (weighted average of annual percentage changes over all period segments).
‘*’ Indicates statistically significant change compared to no change (in AAPC) or relative to the previous segment (in APC).