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. 2019 Sep 3;11(9):2070. doi: 10.3390/nu11092070

Table 6.

Meta-analyses of weight-for-age z-scores in children with phenylketonuria.

Age (Year) NoS a NoP Tested Effect Size Heterogeneity I2, P 95% CI P
0 2 406 −0.090 I2 = 0.0%, P = 0.318 −0.192 to +0.012 0.085
1 2 377 −0.318 I2 = 92.5%, P = <0.001 −0.641 to +0.006 0.054
2 2 418 −0.391 I2 = 57.4%, P = 0.126 −0.506 to −0.275 <0.0001
3 2 423 −0.282 I2 = 0.0%, P = 0.836 −0.309 to −0.256 <0.0001
4 2 415 −0.224 I2 = 41.3%, P = 0.192 −0.314 to −0.135 <0.0001
5 2 415 −0.276 I2 = 91.6%, P = <0.001 −0.555 to +0.002 0.052

NoS: number of studies; NoP: number of patients; CI: confidence interval. References: a Aldámiz-Echevarría et al., 2014 [31], Thiele et al., 2017 [32].