Epidemiology of perforated peptic ulcer: Age- and gender-adjusted analysis of incidence and mortality

Figure 1 Incidence and mortality of perforated peptic ulcer from 2001-2010. A: The incidence rates of perforated peptic ulcer (PPU) per 100 000 inhabitants per year, adjusted for age and gender; B: The mortality rate from PPU per 100 000 inhabitants per year, adjusted for age and gender.

Figure 2 Localisation of ulcers and distribution of age-groups. A: Perforated peptic ulcer (PPU) localisation with admission rates over time. The decade is divided in two periods from 2001-2005 and 2006-2010; B: PPU presentation according to age groups (age in years; < 50, 50-59, 60-69, > 70) divided into the two time periods.

Figure 3 Seasonal and monthly variation in admissions. A: Seasonal variation in admissions overall; B: The monthly variation in admissions with numbers for gastric and duodenal ulcers, respectively.

Figure 4 Change in prevalence of daily smokers in Norway. A: The time trend of daily smokers over time in the Norwegian population aged between 16-74 years, showing a decline over time for each gender; B: The distribution of smokers according to age groups and gender for the fiscal year 2011. Data are reproduced and presented from the Norwegian Directorate of Health (http://www.helsedirektoratet.no, accessed October 5, 2012).