Table 5.

Patient-reported outcomes during follow-up terms (n = 79).

Parameter	Levels of instability segments		n	p
	One-level	> One-level
VSS
Achieved MCID	53 (88.3%)	18 (94.7%)	71 (89.9%)	0.672
Not achieved MCID	7 (11.7%)	1 (5.3%)	8 (10.1%)
DHI
Achieved MCID	54 (90.0%)	17 (89.5%)	71 (89.9%)	>0.99
Not achieved MCID	6 (10.0%)	2 (10.5%)	8 (10.1%)

MCID, Minimally clinical important difference.