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Table 2 Thyroid cancer joinpoint analysis by stage and histopathology (1993–2003).

From: Increasing thyroid cancer incidence in Lithuania in 1978–2003

  1993 2003 EAPC 1978–2003 Trend 1 Trend 2
  N Rate N Rate   Years EAPC Years EAPC
All cases 128 3.5 325 9.4 11.4* 1993–2000 5.3* 2000–2003 27.5*
Histopathology          
papillary 58 1.6 249 7.2 17.7* 1993–1999 6.2 1999–2003 33.2*
follicular 16 0.4 47 1.4 9.2* 1993–2001 4.7 2001–2003 32.3
other 54 1.5 29 0.8 -2.4 1993–2003 -2.4   
Stage          
I 12 0.3 162 4.7 29.6* 1993–2000 14.6 2000–2003 58.9*
II 66 1.8 66 1.9 3.5 1993–2003 3.5   
III 19 0.5 80 2.3 17.1* 1993–2003 17.1*   
IV 20 0.5 16 0.5 5.0 1993–2001 10.5* 2001–2003 -33.1
unspecified 11 0.3 1 0.03 -18.6* 1993–2003 -18.6*   
  1. *The EAPC is significantly different from 0 (P < 0.05).
  2. EAPC – estimated annual percentage change.