Figure 2.

Net PIPR plotted against baseline pupil diameters, with linear regression lines (solid line) and 95% confidence intervals (dashed lines) comparing the patients (n = 16) (A, B) and the age-matched controls (n = 19) (C, D). (A) Baseline diameter of patients plotted against absolute net PIPR values (R² = 0.433; P < 0.05). (B) Net PIPR change (%) of patients plotted against baseline diameter (R² = 0.239; P = 0.055). (C) Baseline diameter of the age-matched controls plotted net PIPR (mm) (R² = 0.237, P < 0.05). (D) Net PIPR change (%) of age-matched controls plotted against baseline diameter (R² = 0.004; P > 0.05). The offset for all the parameters was not significantly different from zero (P > 0.05) for patients.