Correct use of the Apgar score for resuscitated and intubated newborn babies: questionnaire study

cers early in their clinical course.The socioeconomic gradients in disease progression at diagnosis may thus be due in part to socioeconomic gradients in uptake of breast cancer screening.The finding that no such gradients were present in data collected before the implementation of the national breast cancer screening programme supports this explanation, although such data are from other parts of the United Kingdom and rarely have complete stage data.Other factors must explain the gradient in women who have not been screened.The national breast cancer screening programme may have led to socioeconomic inequalities in disease progression at diagnosis in the United Kingdom.Further consideration of the possible impact of interventions on socioeconomic inequalities in health is needed.We thank Caroline Brook and Cheryl Craigs at NYCRIS for help in abstracting the data used in this analysis.