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Table 3 Effect size of studies reporting mean changes in BDI

From: Treating refractory depression in Parkinson’s disease: a meta-analysis of transcranial magnetic stimulation

Reference

Treatment

Number

Hedge’s G

p-value

Dragasevic (2002) [22]

DLPFC Stim

10

1.261

0.002

Fregni (2004) [24]

DLPFC Stim + Medication Sham

21

1.729

<  0.001

Fregni (2004) [24]

DLPFC Sham + Medication

21

1.843

<  0.001

Torres (2015) [27]

PFC Stim

16

1.712

<  0.001