Table 3.

Long-term change in satisfaction levels.

							P
Outcomes	Groups	Baseline [1]	4 weeks [2]	8 weeks [3]	12 weeks [4]	24 weeks [5]	Time	Group	Time × Group
Discomfort after intervention	Intervention	4.6 (0.6)0/45 (0%)	4.3 (0.8)0/45 (0%)	4.2 (0.9)0/45 (0%)	4.3 (0.9)1/45 (2%)	4.4 (0.7)0/45 (0%)	.571	.986	.305
	Control	4.3 (0.8)0/41 (0%)	4.6 (0.7)0/41 (0%)	4.4 (0.8)1/41 (2%)	4.4 (0.8)0/41 (0%)	4.6 (0.7)0/41 (0%)
Post-intervention pain improvement	Intervention	1.3 (0.5)15/45 (33%)	2.4 (1.0)37/45 (82%)	2.6 (1.2)35/45 (78%)	3.0 (1.2)40/45 (89%)	3.0 (1.1)43/45 (96%)	<.001∗	.166	.263
	Control	1.0 (0.2)1/41 (2%)	2.2 (1.2)26/41 (63%)	2.2 (1.2)27/41 (66%)	2.8 (1.3)32/41 (78%)	3.0 (1.1)38/41 (93%)
Satisfied with intervention results	Intervention	4.0 (0.7)35/45 (78%)	4.2 (0.7)38/45 (84%)	4.2 (0.8)36/45 (80%)	4.4 (0.7)39/45 (87%)	4.3 (0.7)39/45 (87%)	<.001∗	.104	.080
	Control	3.6 (0.6)21/41 (51%)	4.1 (0.8)29/41 (71%)	4.2 (0.7)34/41 (83%)	4.3 (0.7)35/41 (85%)	4.3 (0.7)36/41 (88%)