Table 4.

Posterior fusion: direct rotation (DR) versus no-direct rotation (No-DR)

Patient-based outcome tools (F-U)	DR	No-DR	Significance
SRS pain	4.17	4.24	ns
SRS self-image	3.85	3.46	ns
SRS function	3.54	3.25	ns
SRS mental health	4.02	3.64	ns
SRS satisfaction	4.1	4.36	ns
SRS total score	3.90	3.71	ns
SF-36 physical function	85	78.57	ns
SF-36 role physical	67.5	57.14	ns
SF-36 bodily pain	70.25	66.7	ns
SF-36 general health	71.6	72.57	ns
SF-36 vitality	70	69.29	ns
SF-36 role emotional	73.27	66.6	ns
SF-36 social function	70	75	ns

ns not statistically significant