Table 2.

Mean predicted error and median and mean absolute predicted error for all IOL formulas.

	* Prediction Error (D) Median (IQR)	** Absolute Prediction Error (D) Mean ± SD Mean ± SD [range]
BUII	0.03 ± 0.59	0.33 (0.41)
		0.44 ± 0.38 [0.01 – 1.89]
Haigis	−0.01 ± 0.63	0.37 (0.48)
		0.49 ± 0.40 [0.02 – 1.89]
Hoffer Q	−0.05 ± 0.65	0.37 (0.55)
		0.49 ± 0.42 [0.00 – 1.82]
Holladay 1	−0.08 ± 0.61	0.39 (0.41)
		0.47 ± 0.40 [0.00 – 1.93]
Kane	0.02 ± 0.61	0.35 (0.45)
		0.46 ± 0.39 [0.00 – 1.95]
SRK/T	−0.02 ± 0.63	0.38 (0.45)
		0.48 ± 0.41 [0.01 – 2.09]

^*All P = NS

^**P = 0.609 (Friedman Test)

BUII = Barrett Universal II