Table 2.

Search HRVB RCT studies.

Asthma [47]	n = 64	p < 0.003	USA
Angina Pectoris [48]	n = 63	p < 0.001	Canada
Angina Pectoris [11]	n = 154	sig	Taiwan
Anxiety [49]	n = 15	sig	South Korea
Anxiety [50]	n = 40	p < 0.05	USA
Cancer [51]	n = 5	p < 0.06	Belgium
Chronic fatigue syndrome [52]	n = 28	sig	Germany
Chronic Pain [53]	n = 20	p < 0.001	USA
Coronary artery disease [54]	n = 63	p < 0.001	USA
Coronary artery disease [55]	n = 210	p = 0.001	Taiwan
Depression (see Table 1)	n = 230	sig	USA, Italy, Taiwan, Netherlands
Emotion regulation [56]	n = 58	sig	Australia
Sleep apnea [57]	n = 853	sig	Brazil
Sleep [58]	n = 69	p = 0.001	Japan
Selfcontrol Psychotic sympt [59]	n = 84	p = 0.006	Germany
Stress and anxiety [18]	n = 484	Hedges g = 0.81	USA
Stressreduction [60]	n = 23	sig	Netherlands
Pediatric Irritable Bowel Syndr [61]	n = 24	sig	USA
Postpartum depression [62]	n = 55	p < 0.001	Japan
PTSD (see Table 1)	n = 97	p < 0.05	USA
Trait Anxiety [49]	n = 15	sig	South Korea