Table 4.

Summary of Peri- and Postoperative Evaluations.

	Group M (n=11)	Group C (n=13)	P
Operative Time (min)	162.9±34.1	174.6±48.0	0.23
Estimated Blood Loss (mL)	202.1±161.4	648.3±569.8	<0.05
Creatine Kinase at 1 POD (IU/L)	390.9±203.7	925.5±585.3	<0.05
Visual Analog Scale (VAS)
VAS at 1 POW (mm)	18.0±10.6	24.2±12.9	0.11
VAS at 2 POW (mm)	9.5±10.4	22.3±11.5	<0.01
Union Rate	7 (63.6)	11 (84.6)	0.23
Additional Posterior Instrumentation	4 (36.4)	2 (15.4)	0.36
JOA Recovery Rate (%)	57.6±10.9	50.8±14.8	0.11

Mean±standard deviation or n (%)

POD: postoperative day; POW: postoperative week; JOA: Japanese Orthopedic Association

Bold values indicate statistical significance.