Table 7Strength of evidence for drugs versus drugs

ComparisonOutcomeConclusionStudy Design and Sample SizeaFactors That Affect the Strength of evidencebOverall Evidence Strength (Direction of Effect)
Fluoxetine (class: SSRI) vs. Clomipramine (class: TCA)Primary anxiety, child reportSMD: −1.01; 95% CI: −2.02 to −0.09; I2=N/A1 RCT (19 Patients)54Severe imprecision (wide CIs and small sample size)Low (reduced anxiety)
RemissionRR: 1.20; 95% CI: 0.69 to 2.09; I2=N/A1 RCT (19 Patients)54Severe imprecision (wide CIs and small sample size)Low (no difference)
Venlafaxine (class: SNRI) vs. Atomoxetine (class: SNRI)Primary anxiety, child reportSMD: −0.12; 95% CI: −0.43 to 0.20; I2=N/A1 RCT (154 Patients)62Severe imprecision (wide CIs and small sample size)Low (no difference)
Primary anxiety, parent reportSMD: −0.08; 95% CI: −0.39 to 0.24; I2=N/A1 RCT (154 Patients)62Severe imprecision (wide CIs and small sample size)Low (no difference)
Primary anxiety, clinician reportSMD: 0.25; 95% CI: −0.07 to 0.57 I2=N/A1 RCT (154 Patients)62Severe imprecision (wide CIs and small sample size)Low (no difference)

CI: confidence interval, N/A: not applicable, RCT: randomized control trial, RR: relative risk, SMD: standardized mean difference, SNRI: serotonin–norepinephrine reuptake inhibitor, SSRI: selective serotonin reuptake inhibitor, TCA: tricyclic antidepressants.

a

The sample size includes the number of patients from each comparison.

b

Only SOE domains that led to rating down SOE are reported in this column. Domains that are not reported were satisfactory.

From: Results

Cover of Anxiety in Children
Anxiety in Children [Internet].
Comparative Effectiveness Reviews, No. 192.
Wang Z, Whiteside S, Sim L, et al.

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