Table 3
(a) Histopathology of the 171 placentas available from the participating 173 mothers

LifestyleAnthroposophic
N = 24
Partly anthroposophic
N = 105
Anthroposophic and partly anthroposophic
N = 129
Non-anthroposophic
N = 42

Placenta histopathology, n/N (%)

 Chorioamnionitis9/24 (37.5%)44/104 (42.3%)53/128 (42.4%)20/42 (47.6%)0.59
 Vasculitis chorion plate1/24 (4.2%)15/104 (14.4%)16/128 (12.5%)7/42 (16.7%)0.60
 Vasculitis umbilical cord2/24 (8.3%)9/103 (8.6%)11/127 (8.5%)2/42 (4.8%)0.73
 Funisitis1/24 (4.2%)3/103 (2.9%)4/127 (3.1%)1/42 (2.4%)1.00
 Villitis4/24 (16.7%)20/105 (19%)24/129 (18.6%)4/42 (9.5%)0.23

p for comparisons of the combined anthroposophic and partly anthroposophic versus the nonanthroposophic lifestyle group by Fisher’s exact test.
(b) Sensitization during childhood in relation to placenta histopathology among families with any data both from placenta and child blood sample available (N=155).

Children sensitized to food allergens and/or aeroallergens, n/NAt 6 monthsAt 12 monthsAt 2 yearsAt 5 years
12/11619/12121/12634/110

Placenta histopathology n/N ()

 Chorioamnionitis7/12 (0.37)10/19 (0.45)9/21 (0.82)13/34 (0.54)
 Vasculitis chorion plate2/12 (0.64)4/19 (0.47)3/21 (0.73)7/34 (0.23)
 Vasculitis umbilical cord1/12 (0.60)2/19 (0.73)2/21 (0.49)3/33 (0.60)
 Funisitis0/12 (1.0)0/19 (1.0)0/21 (1.0)1/33 (0.79)
 Villitis2/12 (1.0)2/19 (0.74)5/21 (0.31)5/34 (1.0)

Fisher’s exact test.