Table 2.

Association between total, supplemental, and dietary folate and MSI

VariableFolate intakeMSI, n (%)MSS, n (%)OR* (95% CI)
Total folate≥40017 (38)128 (36)Reference
<40028 (62)232 (64)1.06 (0.45-2.50)
Supplemental folateYes13 (29)104 (29)Reference
No32 (71)256 (71)0.98 (0.34-2.84)
Dietary folate≥27519 (42)144 (40)Reference
<27526 (58)216 (60)1.18 (0.6-2.50)
  • * Adjusted for age, race, smoking status, total calcium intake, tumor location, and vitamin/mineral intake.