Operative Variable
LIT N (180) Non-LIT N (231)
P value
GA at FLS (weeks) 20.4 (18.4 – 22.3) 20.4 (18.5 – 22.57) 0.53
GA at FLS< 18 (weeks) 31 (17.2%) 41 (17.7%) 0.89
Trocar outer sheath diameter (mm) 3.2 (3.1 – 3.8) 3.33 (3.33 – 4) <0.001
Number of anastomoses 13 (10 – 18) 11 (8 – 13) <0.001
Solomon technique, n (%) 129 (74.6%) 181 (80.1%) 0.19
Septostomy, n (%) 11 (6.1%) 57 (24.8%) <0.001
CAS, n (%) 14 (7.8%) 31 (13.7%) 0.60
Data are given as median (IQR) and n (%) GA: gestational age, FLS: fetoscopic laser surgery, CAS: chorioamnion separation Data are given as median (IQR) and n (%) GA: gestational age, FLS: fetoscopic laser surgery, CAS: chorioamnion separation Data are given as median (IQR) and n (%) GA: gestational age, FLS: fetoscopic laser surgery, CAS: chorioamnion separation Data are given as median (IQR) and n (%) GA: gestational age, FLS: fetoscopic laser surgery, CAS: chorioamnion separation