Table 4

Progression to AML according to the XPD SNP (Lys751Gln) and category of exposure to cytoreductive agents: observed frequencies and ORs derived from the regression model

Observed frequency
OR (95% CI)
Global (n = 335)*XPD AA/AC (n = 292)XPD CC (n = 41)XPD AA/ACXPD CC
No exposure 1/61 (1.6%) 0/48 (0%) 1/12 (8%) 1.0 4 (2.5-10) 
HU only 40/204 (20%) 31/183 (17%) 8/20 (40%) 3.5 (2-5.5) 17 (7-44) 
Other agents alone or in combination 23/70 (33%) 16/61 (26%) 7/9 (78%) 12 (4-39) 61 (13-286) 
Total 64/335 (19%) 47/292 (16%) 16/41 (39%)   
Observed frequency
OR (95% CI)
Global (n = 335)*XPD AA/AC (n = 292)XPD CC (n = 41)XPD AA/ACXPD CC
No exposure 1/61 (1.6%) 0/48 (0%) 1/12 (8%) 1.0 4 (2.5-10) 
HU only 40/204 (20%) 31/183 (17%) 8/20 (40%) 3.5 (2-5.5) 17 (7-44) 
Other agents alone or in combination 23/70 (33%) 16/61 (26%) 7/9 (78%) 12 (4-39) 61 (13-286) 
Total 64/335 (19%) 47/292 (16%) 16/41 (39%)   

Successful genotyping for the XPD SNP was achieved in 333 of 335 cases.

*

χ2 = 21, P < .001.

χ2 = 14, P = .001.

χ2 = 10, P = .005.

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