Table 1

Endplate Type, Smoking, and Medical Status

Endplate Type (Number of Subjects)Age (Avg. of group)# Smokers (%)Depression/ Fibromyalgia/ Bipolar Dz (No. per group)
1(43)386(33)11
2(17)390 (0)4
3(9)403(33)0
4(7)373(75)0
5(4)403(75)1
  • *Age: P = .87 for age between groups (ANOVA); Smk: P = .004; DFB: P = .28