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. Author manuscript; available in PMC: 2014 May 2.
Published in final edited form as: J Am Geriatr Soc. 2011 Jul 7;59(7):1268–1273. doi: 10.1111/j.1532-5415.2011.03481.x

Table 2.

Stage at Diagnosis and Diagnosis at Autopsy of Participants with Colon Cancer Stratified According to Preexisting Mental Disorder

Characteristic % Difference, Chi-Square (P-Value)
No Mental Disorder (n =59,971) Any Mental Disorder (n =20,699) Mood Disorder (n =8,261) Psychotic Disorder (n =3,576) Substance Use Disorder (n =3,443) Dementia (n =7,267) Other Mental Disorder (n =9,322)
Stage at diagnosis
 1 21.9 21.1 21.4 18.5 21.6 17.6 22.7
 2 31.4 28.6 28.6 26.1 30.2 25.9 29.8
 3 23.1 20.1 20.8 16.4 19.2 17.2 21.4
 4 17.5 15.7 15.4 16.1 17.8 15.0 15.7
 Unknown 6.2 14.6 13.8 22.9 11.2 24.3 10.5 966.9 (<.001)
Diagnosis at autopsy 1.1 4.4 4.2 7.5 3.1 8.1 4.1 875.5 (<.001)

Chi-square analyses used to assess difference between those with no mental disorder and those with any mental disorder.