Swiss Spinal Stenosis Questionnaire (symptom and functional).

Table 3: Swiss Spinal Stenosis Questionnaire (symptom and functional).

Participant	Baseline		7^th Visit		3-month
Participant	SSS symptom	SSS function	SSS symptom	SSS function	SSS symptom	SSS function
1	3.14	2.4	3	2^a	n/a	n/a
2	3.5	1.8	1.43^a	1^a	1.29^a	1^a
3	3.64	2.2	2.71^a	1.8^a	n/a	n/a
4	3	2.4	1.43^a	1.6^a	1.71^a	1.4^a
5	3.71	2.8	2.43^a	1.6^a	3^a	1.8^a
6	3.29	3.4	3.14	3.2^a	3	3^a
7	3	2.4	1.71^a	2.2^a	1.28^a	1.2^a
Median	3.29	2.4	2.43	1.8	1.71	1.4
Change by group			p = 0.018^b	p = 0.017^b	p = 0.022^c	p = 0.016^c
Effect size			0.632	0.635	0.760	0.832

Abbreviations: SSS, Swiss Spinal Stenosis Questionnaire.

^aValues exceeding MCID from baseline; ^bSignificant difference between group baseline and 7th visit scores (p < 0.05); ^cSignificant difference between group baseline, 7^th visit, 3-month scores (p < 0.05).