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. 2023 Dec 27;13(2):166–175. doi: 10.1002/pchj.723

TABLE 1.

Descriptions of studies in schizophrenia patients.

Study Stimulation parameters Measure tools Hedges' g (95% CI)
Authors Design Sample size (active: sham) Stimulation intervention Target area Frequency %MT No. of session Number of impulses per session
Baseline Post intervention
Prikryl et al., 2013 Parallel 25:20 23:17 rTMS Left DLPFC 10 HZ 110% (resting) 15 2000 SANS anhedonia subscale 0.975 (0.324, 1.625)
Kumar et al., 2020 Parallel 50:50 46:47 rTMS Left DLPFC 20 HZ 100% (NA) 20 2000 SANS anhedonia subscale 0.387 (−0.019, 0.794) a
Gan et al., 2021 Parallel 17:16 15:14 rTMS DMPFC 10 HZ 100–120% (resting) 20 6000 SANS anhedonia subscale 1.351 (0.562, 2.139)
Bodén et al., 2021 Parallel 9:7 NA iTBS DMPFC 90% (resting) 20 1200 CAINS −0.077 (−1.012, 0.857) b

Abbreviation: DMPF: dorsomedial prefrontal cortex; DLPFC: dorsolateral prefrontal cortex; NA: not available.

a

The effect size was computed with the baseline data including the participants who withdrew the intervention.

b

The effect size was computed by the sample size of post‐intervention.