Table 2.

Demographic and clinical variables by state of residency

AttributeAlaskaArizona
Age: mean (N, SD)55.2 (42, 9.2)58.3 (52, 14.4)
Tumor stage: N (%)
 01 (2)1 (2)
 116 (39)12 (30)
 218 (44)17 (42)
 35 (12)2 (5)
 41 (2)8 (20)

Abbreviations: N, number of subjects with nonmissing values; %, percentage of subjects with tumor stage of interest in a given state of residence.