Table 4.

Subgroup analysis of PTSD symptoms.

Group	Subgroup	N	SMD	95%CI		p	I 2
Age	<45	6	−0.491	−0.821	−0.16	0.178	34.50%
	≥45	7	−0.31	−0.699	0.078	0.026	58.10%
Gender	Male > female	8	−0.291	−0.578	−0.005	0.094	42.60%
	Male < female	7	−0.566	−0.911	−0.222	0.088	45.60%
Frequency (times/week)	1 time/week	8	−0.315	−0.603	−0.027	0.084	44.20%
	2–3 times/week	5	−0.662	−0.927	−0.397	0.496	0.00%
	4–8 times/week	2	−0.008	−1.073	1.057	0.073	68.90%
Time (min)	60 ≤ min ≤ 90	9	−0.578	−0.837	−0.320	0.162	32.00%
	90 < min ≤ 150	4	−0.19	−0.494	0.114	0.312	15.80%
	150 < min ≤ 180	2	−0.008	−1.073	1.057	0.073	68.90%
Duration (week)	1–8 weeks	3	−0.189	−0.858	0.48	0.103	56.00%
	8 weeks	5	−0.545	−1.074	−0.015	0.004	74.20%
	8–16 weeks	7	−0.458	−0.686	−0.229	0.544	0.00%
Event	Mindfulness	8	−0.365	−0.64	−0.09	0.114	39.80%
	Yoga	7	−0.464	−0.852	−0.075	0.04	54.50%