Figure 2.
Joinpoint analysis of the incidence of gastric signet ring cell carcinoma and gastric adenocarcinoma. A: Overall gastric signet ring cell carcinoma (GSRC); B: Overall gastric adenocarcinoma (GA); C: GSRC by sex; D: GA by sex. 1Indicates that the annual percentage change (APC) is significantly different from zero at the alpha = 0.05 level. Final Selected Model: 2 Joinpoints. 2Indicates that the APC is significantly different from zero at the alpha = 0.05 level. Final Selected Model: Male -2 Joinpoints, Female - 2 Joinpoints. Rejected Parallelism. APC: Annual percentage change.