Group WLI WLI NBI NBI
N Mean (SD) N Mean (SD)
SG 404 0.67 (0.19) 372 0.72 (0.13)
NSG 212 0.75 (0.15) 248 0.78 (0.09)
All 616 0.70 (0.18) 620 0.74 (0.12)