TABLE 1.

Descriptive Statistics and Results of Statistical Tests

	Test (N=61)	Control (N=61)
Halo (mm)
Mean (SD)	39.73 (15.720)	55.14 (19.343)
Median	39.83	55.17
Model estimated median	34.70, 95% CI (29.54, 40.76)	49.80, 95% CI (42.44, 58.44)
Model estimated improvement percent (%)	30.3, 95% CI (20.1, 39.2), P <0.0001
Starburst (mm)
Mean (SD)	79.52 (20.079)	106.29 (30.871)
Median	76.67	102.00
Model estimated median	84.00, 95% CI (77.20, 91.40)	109.64, 95% CI (100.61, 119.49)
Model estimated improvement percent (%)	23.4, 95% CI (18.4, 28.1), P <0.0001
Two-point threshold (403 nm)
Mean (SD)	3.74 (1.843)	5.27 (1.923)
Median	3.08	4.86
Model estimated median	3.29, 95% CI (2.85, 3.79)	4.70, 95% CI (4.07, 5.44)
Model estimated improvement percent (%)	30.1, 95% CI (22.6, 36.9), P <0.0001
Two-point threshold (broadband white)
Mean (SD)	8.24 (4.593)	9.66 (4.877)
Median	7.39	8.72
Model estimated median	6.41, 95% CI (5.36, 7.68)	7.85, 95% CI (6.55, 9.42)
Model estimated improvement percent (%)	18.3, 95% CI (12.8, 23.6), P <0.0001

N, total number of subjects; CI, confidence interval.