29 March 2022>: Clinical Research
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
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 5ABDEDOI: 10.12659/MSM.935784
Med Sci Monit 2022; 28:e935784
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 |