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Table 4 Period effect points of change on upper gastrointestinal tract cancer mortality by sex, Spain 1952–2006

From: Trends in oral cavity, pharyngeal, oesophageal and gastric cancer mortality rates in Spain, 1952–2006: an age-period-cohort analysis

Tumour Changes in period effect†
Year of death Year of death
(95% CI) (95% CI)
Oral cavity & pharynx   
    Men 1974.2 (1968.9 - 1979.5) 1994.6 (1990.3 - 1998.9)
    Women 1972.7 (1963.2 - 1982.3)  
Oesophagus   
    Men 1972.7 (1969.8 - 1975.5) 1991.6 (1987.5 - 1995.6)
    Women 1966.8 (1965.6 - 1967.9) 1994.1 (1985.8 - 2002.4)
Stomach   
    Men 1965.2 (1963.1 - 1967.4)  
    Women 1966.2 (1963.6 - 1968.8)  
  1. Year of death with significant trend change as obtained from the segmented regression analysis of period curvatures from the three-factor model.