Table 3.

Data comparison between patients with a normal (< 5%) and increased (≥ 5%) MIB-1 index.

Variable	MIB-1 < 5% (n = 52)	MIB-1 ≥ 5% (n = 56)	p-value
Age (years)	66 (55 – 74)	66 (58 – 72)	0.973
Female sex	41 (79%)	48 (86%)	0.349
Preoperative mMCs	2 (2 – 3)	2 (2 – 3)	0.479
Calcified tumor	12 (23%)	3 (5.4%)	0.008
Cervical tumor	14 (27%)	12 (21%)	0.434
Anterior tumor component	10 (19%)	14 (25%)	0.471
> 2 spinal segments	4 (7.7%)	5 (8.9%)	>0.999
Simpson grade III & IV	18 (35%)	12 (21%)	0.126

Bold text in the p-value column indicates a statistically significant correlation (p < 0.05). Data is presented as median (interquartile range) or number (proportion).mMCs, modified McCormick scale.