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. 2024 Jul 19;19(7):e0306643. doi: 10.1371/journal.pone.0306643

Table 1. Characteristics of the included studies.

First Author Country Participants Intervention methods Number of patients Treatment duration Age Ratio Follow-up time JADAD Outcomes
Observation group Control group (Intervention/control) Observation group Control group
Henderson (2012) USA Stage I-II breast cancer ①For 8 weeks, 7 sessions per week of 2.5 to 3.5 hours of therapy and the 6th session of 7.5 hours of intensive silent retreat therapy.② After completing the MBSR, participants are offered three 2-hour sessions per month. Usual care 53/58 8 weeks 49.8±8.4 49.8 ± 8.4 24 months 4 Coping Capacity
Hoffman (2012) UK Patients with stage 0-III breast cancer who have completed treatment for 2 months to 2 years ①Courses lasting 8 weeks, 2 hours per week (the first and last courses are 2.25 hours).②Week 6 plus a 6-hour mindfulness session. Do home exercises for 40 to 45 minutes six or seven days a week. Usual care 114/115 8 weeks 49.0±9.3 50.1±9.1 3 months 6 Emotional States
Janusek (2019) USA Breast cancer ①For 8 weeks (2.5 hours per week).②6 hour meditation retreat after the fifth week. ACC Group: Group education lasting 8 weeks, 2.5 hours per week 63/61 8 weeks 55.0 ± 10.1 55.2 ± 10.1 6 months 7 Sleep Quality、PSS、Depression、Fatigue
Lengacher (2009) USA Stage 0-III breast cancer patients receiving radiotherapy or chemotherapy after surgery ①Two hour sessions six times a week for six weeks.②Practice meditation techniques for 15–45 minutes a day. Routine care, providing mindfulness-based stress reduction after the intervention. 41/43 6 weeks 56.1±9.1 58.0±10.2 6 weeks 4 FOR、Anxiety、Depression、PSS、QOL
Lengacher (2015) USA Stage 0 to III breast cancer patients ①Two hour sessions six times a week for six weeks.②Practice meditation techniques for 15–45 minutes a day. Routine care, providing mindfulness-based stress reduction after the intervention. 38/41 6 weeks 56.1±9.1 58.0±10.2 3 months 5 Sleep Quality
Lengacher (2016) USA Stage 0 to III breast cancer patients ①For 6 weeks, attend a 2-hour course once a week.②Practice 15 to 45 minutes a day. Routine care, providing mindfulness-based stress reduction after the intervention. 155/167 6 weeks 56.5±10.2 57.6±9.2 3 months 6 Pain、Fatigue、Depression、Anxiety、PSS、FOR
Reich (2017) USA Stage 0 to III breast cancer patients ①A two-week course in formal meditation techniques.②Practice 15–45 minutes a day. Usual care 167/155 6 weeks 56.6 56.6 3 months 4 Depression、PSS、Sleep Quality、Anxiety、QOL、Fatigue、Pain、FOR
Sarenmaim (2017) Sweden Breast cancer patients during chemotherapy ①Self-directed mindfulness-based stress reduction course lasting 8 weeks.②Teachers and weekly group meetings. Usual care 62/52 8 weeks 57.2±10.2 57.2±10.2 3 months 7 QOL、PTG、Coping Capacity
Shergill (2022) Canada Breast cancer survivors with nerve pain ①Courses lasting 8 weeks, 2.5 hours per week.②One day (about 6 hours) of retreat a week. Usual care 49/49 8 weeks 51.3±11.4 55.1±9.6 3 months 7 PSS、Pain、Emotional States
Zhang (2017) China Stage I-III breast cancer patients ①For 8 weeks, 2 hours of treatment per week.②40–45 minutes of homework 6 or 7 days a week. Usual care 30/30 8 weeks 48.67 ± 8.49 46.00 ± 5.12 3 months 6 PSS、Anxiety、PTG
Zhu (2022) China Breast cancer patients who have completed their first chemotherapy after surgery Mindfulness training was performed six days a week (at least 30 minutes) for eight weeks. Usual care 50/51 8 weeks 47.96 ± 8.51 49.78 ± 7.48 / 6 PTG