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. 2021 Aug 19;44(11):2503–2509. doi: 10.2337/dc21-0342

Table 2.

Time trends of T1D incidence for sex and age groups from 2007 to 2017

Groups Number of JPs Years APC (95% CI) P value AAPC 2007–2017 (95% CI) P value
Total 2 2007–2014 1.2 (0.0, 2.3) 0.046 2.3 (1.2, 3.4) <0.001
2014–2017 4.9 (1.2, 8.8) 0.018
Men 2 2007–2014 1.3 (−0.6, 3.2) 0.146 2.3 (0.5, 4.1) 0.014
2014–2017 4.7 (−1.5, 11.2) 0.116
Women 2 2007–2015 1.3 (−1.4, 4.0) 0.296 2.1 (0.7, 3.5) 0.008
2015–2017 7.0 (−13.1, 31.8) 0.454
0–14 years 1 2007–2017 2.6 (−1.2, 6.6) 0.156 2.6 (−1.2,6.6) 0.156
15–29 years 1 2007–2017 −0.4 (−2.6, 1.9) 0.714 −0.4 (−2.6, 1.9) 0.714
≥30 years 1 2007–2017 3.5 (1.4, 5.6) 0.005 3.5 (1.4, 5.6) 0.005

The APC/AAPC is significantly different from zero at P < 0.05. Number and times of joinpoints (JPs) in time trends were selected by Joinpoint regression model.