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Table 6 Spline regression analysis, Duodenal bleeding ulcers

From: Decreasing incidence of peptic ulcer complications after the introduction of the proton pump inhibitors, a study of the Swedish population from 1974–2002

  Males   Females  
Year Coef. 95% Conf. interval Coef. 95% Conf. interval
1975 -0.23 -0.52
0.06
-0.23 -0.53
0.08
1980 0.01 -0.03
0.06
0.05 -0.004
0.10
1985 0.04 -0.004
0.08
0.06 0.02
0.11
1990 0.05 0.003
0.09
0.06 0.01
0.11
1995 -0.10 -0.14
-0.05
-0.07 -0.11
-0.02
2000 -0.09 -0.12
-0.05
-0.09 -0.13
-0.06