Table 2: TOAST classification and vessel involvement in patients without fetal PCA (no fPCA), partial fetal PCA with ipsilateral stroke (ipsilateral pfPCA), and complete fetal PCA with ipsilateral stroke (ipsilateral cfPCA).

No fPCAIpsilateral pfPCAIpsilateral cfPCA value

TOAST, no. (%)0.621
 Cardioembolic, no. (%)73 (20.5%)10 (21.7%)2 (10.0%)
 Large vessel, no. (%)102 (28.7%)14 (30.4%)10 (50%)
 Small vessel, no. (%)87 (24.4%)10 (21.7%)3 (15.0%)
 Crypto (>1 etiology), no. (%)7 (2.0%)1 (2.2%)1 (5.0%)
 Crypto (unknown), no. (%)53 (14.9%)6 (13.0%)4 (20.0%)
 Other, no. (%)34 (9.6%)5 (10.9%)0 (0%)
MCA involved in the stroke262/351 (74.6%)38/46 (82.6%)15/20 (75.0%)0.497
PCA involved in the stroke36/351 (10.3%)3/46 (6.5%)4/20 (20.0%)0.253
Posterior circulation involvement45/351 (12.8%)7/46 (15.2%)5/20 (25.0%)0.289