close to significancep = 0.06
A meta-regression analysis included 18 weight loss studies, 5 of which reported no change, and 1 study even reported a reduction in 25(OH)D concentrations following weight loss [ 11 ]; overall, the results demonstrated an average increase in 25(OH)D concentrations of 6 nmol/L for an average weight loss of 10 kg that was close to significance ( p = 0.06).