Table 2.

MNE and MAE for all formulas

Formula	All
	MNE (D)	MAE (D)
SRK/T
Mean±SD	0.10±0.60	0.46±0.39
Range	−1.39 to 1.85	0.00-1.85
Haigis
Mean±SD	0.10±0.58	0.45±0.38
Range	−1.56 to 1.88	0.00-1.88
Holladay
Mean±SD	0.38±0.73	0.65±0.50
Range	−2.11 to 2.21	0.00-2.21
Hoffer Q
Mean±SD	0.33±0.79	0.67±0.53
Range	−2.00 to 2.11	0.00-2.11
Barrett Universal II
Mean±SD	0.05±0.46	0.35±0.30
Range	−1.49 to 1.66	0.00-1.66

MNE: Mean numerical error; MAE: Mean absolute error; SD: Standard deviation