Supplementary information for "Cluster Analysis reveals Socioeconomic Disparities among Elective Spine Surgery Patients"

Experiment 1: C1 vs C2

Experiment 2: C1_65+ vs C2_65+

Experiment 3: C1_65- vs C2_65-

Experiment 4: C1_65+ vs C1_65-

Experiment 5: C2_65+ vs C2_65-

Experiment 6: C1:c1 vs C1:c2

Experiment 7: C2:c1 vs C2:c2