Table 1.

Meta-analyses results on the effect of exercise interventions on negative symptoms

Study	Control group	Number of participants	Model	Effect size	95% CI		P	I2, %
					Lower	Upper
Sabe et al 2020	AC	954	RE	SMD = −0.24	−0.43	−0.06	0.01	45
Vogel et al 2019	AC	1249	RE	g = −0.43	−0.20	−0.67	0.00	76
Sabe et al 2019	AC	1081	RE	SMD = −0.36	−0.58	−0.15	0.00	62
Lutgens et al 2017	TAU	−	RE	g = −0.36	−0.71	−0.01	0.04	55
Firth et al 2015	AC	659	RE	SMD = −0.44	−0.78	−0.09	0.01	0
Cramer et al 2013	TAU	198	RE	SMD = −0.59	−1.87	0.69	0.36	80

g, Hedges g; AC, any comparator; RE, random effects; SMD, standardised mean difference; TAU, treatment-as-usual.