Table 2.

Cancers during study.

Treatment groupDFMO (n = 108)Placebo (n = 101)Overall (n = 209)P value
Time under observation, y/avg.463.6/4.29420.7/4.17884.3/4.23
Subjects with new NSMC7069139
Total new NMSCs207308515
New NMSCs/y (SE)0.444 (0.063)0.701 (0.095)0.568 (0.057)0.012
Subjects with new BCC5755112
Total new BCCs133201334
New BCCs/y (SE)0.294 (0.049)0.466 (0.067)0.377 (0.041)0.014
Subjects with new SCC324375
Total New SCCs74107181
New SCCs/year (SE)0.150 (0.040)0.236 (0.056)0.191 (0.034)0.223