Table 2.

Joinpoint analysis of gastrointestinal cancers in Yangzhong, 1991–2015.

Cancer types	Gender	Incidence			Mortality
		Period	EAPC (95% CI)	P	Period	EAPC (95% CI)	P
Gastric cancer	Male	1991–2015	−3.0 (−3.6, −2.5)	< 0.01	1991–1993	54.4 (3.1, 131.2)	< 0.01
					1993–2001	0.6 (−4.7, 6.2)	0.8
					2001–2010	−11.9 (−15.7, −8.0)	< 0.01
					2010–2015	9.5 (0.1,19.9)	< 0.01
	Female	1991–2015	−4.5 (−5.2, −3.7)	< 0.01	1991–1999	7.0 (−0.3,14.7)	0.1
					1999–2011	−13.0 (−16.7,−9.1)	< 0.01
					2011–2015	11.3 (−9.1,36.3)	0.3
Esophageal cancer	Male	1991–2005	0.2 (−1.1, 1.6)	0.7	1991–1993	49.0 (−1.9, 126.3)	0.1
					1993–2000	2.6 (−4.4, 10.1)	0.4
		2005–2015	−5.4 (−7.6, −3.3)	< 0.01	2000–2010	−9.1 (−12.5, −5.6)	< 0.01
					2010–2015	4.7 (−4.6,15.6)	0.3
	Female	1991–2001	−0.7 (−3.5, 2.1)	0.6	1991–1993	66.3 (5.3,162.7)	< 0.01
					1993–2000	0.9 (−6.6,9.0)	0.8
		2001–2015	−7.7 (−9.3, −6.1)	< 0.01	2000–2010	−13.9 (−17.4,−10.2)	< 0.01
					2010–2015	4.5 (−5.7,15.7)	0.4
Colorectal cancer	Male	1991–2015	3.7 (2.2, 5.2)	< 0.01	1991–2015	2.3 (0.3, 4.4)	< 0.01
	Female	1991–2015	1.5 (0.1, 3.0)	< 0.01	1991–1993	156.1 (−18.6, 705.9)	0.1
					1993–2015	−2.6 (−5.2, 0.1)	0.1

EAPC, estimated annual percent changes; CI, confidence interval.