Table 2.

Response rate at the end of each week

Group	Week 1	Week 2	Week 3	Week 4	1-week follow-up
Response rate [±95% CI]
PMTS	21.1 [13.3–31.6]	56.6 [45.3–67.2]	69.7 [58.6–79.0]	69.7 [58.6–79.0]	75.0 [64.1–83.4]
Sham	24.7 [16.3–35.5]	29.9 [20.7–41.0]	35.1 [25.3–46.3]	35.1 [25.3–46.3]	41.6 [31.1–52.8]
pbetween-group	0.594	0.001	<0.001	<0.001	<0.001

Values are presented as percentage. Response is defined as Insomnia Severity Index ≤9. PMTS, Pulsed Magnetic Therapy System; CI, confidence interval