. 2020 Sep 25;22(9):e17831. doi: 10.2196/17831

Table 4.

Effect sizes regarding anxiety symptoms in the meta-analysis of studies comparing computerized cognitive behavior therapy in adolescents and young adults with active treatment and passive controls at posttreatment.

Variable				N_com^a		N_par^b		Effect size				Heterogeneity				Grade^c		NNT^d
Variable				N_com^a		N_par^b		g		95% CI		I ²		95% CI
All studies
	Active treatment controls			5		390		0.06		−0.13 to 0.26		0		0 to 79		++		29.41
	Passive controls			21		1570		0.49^e		0.29 to 0.68		68.17		50 to 80		++		3.68
		One outlier removed^f	20		1524		0.42^e		0.25 to 0.59		57.42		30 to 74		+++		4.27
Studies aimed at anxiety
	Active treatment controls			4		203		0.04		−0.23 to 0.31		0		0 to 85		++		45.45
	Passive controls			16		868		0.59^e		0.34 to 0.84		67.83		46 to 81		++		3.09
		One outlier removed^f	15		822		0.50^e		0.29 to 0.71		52.57		15 to 74		+++		3.62
		Trim and fill adjusted values					0.44		0.23 to 0.65								4.1

^aN_com: number of comparisons.

^bN_par: number of participants.

^c++: low quality; +++: moderate quality.

^dNNT: number needed to treat.

^eP<.001.

^fOutlier Sethi (2013) excluded.