Figure 3
From: New insights into the vitamin D requirements during pregnancy
Kaplan–Meier survival estimates for the effect of vitamin D treatment during pregnancy on the development of asthma/recurrent wheeze by age 3 year analyzed in an intent-to-treat format. The hazard ratio for the time to first event of asthma or recurrent wheeze was 0.8 at 3 years, P=0.051. Reproduced with permission from Litonjua et al.99
