Correction to: Mod Pathol 2008; 21: 950–960; doi:10.1038/modpathol.2008.71; published online 23 May 2008

In this article, the author has made the following corrections:

Page 952, Table 1 has been corrected (see revised table below).

Table 1 Characteristics of the subject populations
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Page 953, right column, third paragraph (Comparison of Patient Characteristics, Genetic Changes in Sputum and Cancer Status), beginning from third line, after ‘(Table 1).’ should read ‘There was no significant difference between cancer status for patients’ age or smoking history in pack-years (Table 1). There was a significant association between the cytological diagnosis and presence of cancer compared to controls, with more diagnoses of squamous metaplasia, moderate and severe dysplasia occurring in cancer patient compared to controls. Similarly, more control patients had negative cytological diagnosis (Table 2a). In addition, there were significant differences in the percentages of chromosomal abnormalities in epithelial cells in relationship to the patients' cancer status (Table 2b). Significantly more abnormalities in epithelial cells of 3p, deletions of 10q, all abnormalities of 3, deletions and polysomies of 3p, all abnormalities of 10, and all 3 and 10 abnormalities (P-values<0.018, <0.013, <0.033, <0.026, <0.018 and <0.008, respectively) were present in the cancer patients than in the control subjects ‘(Figures 1–4).’

Table 2 Association between cytologic diagnosis on sputum and cancer†
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Table 3 The association between cancer status and other continuous variables
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Page 953, ‘Table 2’ has been changed to ‘Table 2a ’ (see Table 2a below). New Table 2b has been added (see Table 2b below).

Page 954, left column, first line, ‘(Table 2)’ should be changed to ‘(Table 2b)’.

Page 954, right column, first paragraph, fourth line, should read ‘…deletion and polysomy of 10q22.3 greater or equal to 2 (OR, 4.38), and deletions and polysomies of 3p22.1 and cep 3 greater or equal to 5 (OR 3.01). …’

Page 955, arrows are missing in ‘Figure 3c, d and e’ images.

Page 956 arrows are missing in ‘Figure 4a and b’ images.

Page 959, see revised ‘Table 5b

Table 4 Estimates of probability of cancer for each patient by sputum evaluation of genetic and cytologic variables derived from the multivariate logistic regression model for the diagnosis of cancer
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