Cognitive and Socioemotional Development at 5 and 9 Years of Age of Children Born with Very Low Birth Weight and Extremely Low Birth Weight in the Czech Republic

29 March 2022 : Clinical Research

Lucie Švandová

^1BDEF, Radek Ptáček^1ABDG*, Martina Vňuková^1BCDE, Hana Ptáčková^1BF, Martin Anders^1E, Petr Bob^1E, Simon Weissenberger

^1E, Daniela Marková^2AG, Ivan Sebalo

^34CD, Jiří Raboch^1EG, Michal Goetz^5ABDE

DOI: 10.12659/MSM.935784

Med Sci Monit 2022; 28:e935784

Background Material and Methods Results Discussion Conclusions References

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Table 2 Post hoc power analysis of intelligence quotient (IQ).A post-hoc power analysis revealed a statistical power of 0.99.

Input: Effect size f2(V)	0.44	Output: Noncentrality parameter λ	42.39
α err prob	0.05	Critical F	3.88
Total sample size	219	Numerator df	1
Number of groups	2	Denominator df	217
		β

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