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Table 1 Trends in age-standardized incidence rates of thyroid cancer by gender in China and the U.S., 1990–2017

From: Trend dynamics of thyroid cancer incidence among China and the U.S. adult population from 1990 to 2017: a joinpoint and age-period-cohort analysis

Jump model

Men

Women

Both sexes

Year

APC*(95%CI)

Year

APC * (95% CI)

Year

APC * (95% CI)

China

 Trend1

1990–2002

2.7*(2.4,2.9)

1990–1997

2.4*(2.2,2.6)

1990–1993

0.8(− 2.3,2.9)

 Trend2

2002–2006

5.7* (4.3,7.2)

1995–2001

−1.8*(− 2.1,-1.5)

1993–2000

2.7*(2.6,3.3)

 Trend3

2006–2011

10.2* (9.3,11.2)

2001–2004

0.4*(−0.9,1.8)

2000–2003

0.8(−2.1,3.8)

 Trend4

2011–2014

4.7*(1.4,8.1)

2004–2009

4.2*(4.1,4.4)

2003–2011

4.5*(4.1,4.9)

 Trend5

2014–2017

0.6(−1.6,2.8)

2009–2017

1.3*(−0.3,2.9)

2011–2017

0.8*(0.1,1.4)

 AAPC *

1990–2017

4.5*(4.0,5.0)

1990–2017

1.8*(1.6,2.0)

1990–2017

2.4*(1.9,2.8)

The U.S.

 Trend1

1990–1995

4.8*(4.1,5.5)

1990–1995

3.6*(3.0,4.3)

1990–1993

3.3*(1.8,4.9)

 Trend2

1995–2001

1.4*(0.8,2.1)

1995–1998

1.3(−1,4,4.1)

1993–2002

2.0*(1.7,2.3)

 Trend3

2001–2004

−1.0(−3.6,1.7)

1998–2001

4.3*(1.6,7.1)

2002–2005

−0.2(−2.9,2.6)

 Trend4

2004–2009

1.0*(0.1,1.8)

2001–2009

1.3*(0.9,1.6)

2005–2009

1.5*(0.0,3.0)

 Trend5

2009–2017

0.5*(0.1,0.9)

2009–2017

−0.5*(− 0.8,-0.1)

2009–2017

0.2(− 0.2,0.5)

 AAPC *

1990–2017

1.4*(1.0,1.8)

1990–2017

1.5*(1.1,1.9)

1990–2017

1.3*(0.9,1.7)

  1. Note: * APC annual percentage change; AAPC average annual percent change; CI confidence interval; *Significantly different from 0 at alpha = 0.05 (p < 0.05). There are four joinpoints for each model. The estimate of the comparability ratio (CR) from JP-Jump Model for China men is 1.01(0.9, 1.03) with standard error = 0.011. The CR is 0.97(0.96, 0.99) for China women with standard error = 0.007. The CR is 1.03(0.99, 1.07) for U.S. men with standard error = 0.017. The CR is 0.97(0.96, 1.02) for U.S. women with standard error = 0.015