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. 2022 Feb 1;98(5):e459–e469. doi: 10.1212/WNL.0000000000013126

Figure 3. Univariate Group-Based Trajectory Modeling.

Figure 3

In univariate group-based trajectory modeling (GBTM) of middle cerebral artery (MCA) (A), only the group experiencing high, rapidly increasing peak systolic velocities (yellow, group 4) had a significant increase of delayed cerebral ischemia (DCI) risk (eTable 2, links.lww.com/WNL/B676; odds ratio [OR] 4.84, p = 0.02). Dots represent average MCA value of individuals across the trajectory group, and the solid lines represent the best fit line of each MCA subgroup. Thin lines represent individual MCA trajectories over time. In univariate GBTM of epileptiform abnormality (EA) (B), group 2 (dark gray) was associated with a significant increase of DCI risk (eTable 3; OR 5.09, p < 0.01) when compared to group 1 (light gray). Opaque dots represent the EA prevalence in the subgroup on each day, and the solid lines represent the best fit line of each EA subgroup. The semitransparent dots centered around 0 and 1 represent individuals who did (1) and did not (0) have an EA on that specific day.