. 2025 Feb 28;263(7):1915–1924. doi: 10.1007/s00417-025-06775-z

Table 5.

Comparison of mean predictive errors and mean absolute predictive errors from initial and final measurements of IOL Master 700 taken at least one year apart in 119 eyes according to axial length

Formula	ME ± SD				MAE ± SD
Formula		< 23 mm (N = 19)	23–25 mm (N = 72)	≥ 25 mm (N = 28)	< 23 mm (N = 19)	23–25 mm (N = 72)	≥ 25 mm (N = 28)
SRK/T	Initial	−0.27 ± 0.46	−0.18 ± 0.49	−0.04 ± 0.48	0.41 ± 0.33	0.38 ± 0.35	0.37 ± 0.30
	Final	−0.23 ± 0.44	−0.14 ± 0.47	0.00 ± 0.43	0.38 ± 0.31	0.36 ± 0.33	0.30 ± 0.30
	Difference	0.04 ± 0.18	0.04 ± 0.22	0.04 ± 0.22	−0.03 ± 0.18	−0.02 ± 0.19	−0.07 ± 0.20
	p-value	0.339^a	0.118^a	0.736^b	0.469^a	0.751^b	0.078^a
BUII	Initial	−0.12 ± 0.44	−0.09 ± 0.42	−0.11 ± 0.51	0.35 ± 0.28	0.33 ± 0.28	0.43 ± 0.29
	Final	−0.11 ± 0.37	−0.05 ± 0.39	−0.08 ± 0.40	0.30 ± 0.25	0.31 ± 0.25	0.31 ± 0.26
	Difference	0.01 ± 0.22	0.04 ± 0.27	0.03 ± 0.26	−0.06 ± 0.19	−0.02 ± 0.21	−0.11 ± 0.23
	p-value	0.969^a	0.216^a	0.522^a	0.197^a	0.763^b	0.013^a*
Cook K6	Initial	0.09 ± 0.35	0.00 ± 0.39	−0.05 ± 0.46	0.29 ± 0.21	0.30 ± 0.25	0.37 ± 0.28
	Final	0.11 ± 0.30	0.03 ± 0.37	−0.01 ± 0.36	0.25 ± 0.20	0.30 ± 0.22	0.26 ± 0.24
	Difference	0.03 ± 0.19	0.03 ± 0.27	0.04 ± 0.29	−0.04 ± 0.15	−0.01 ± 0.22	−0.11 ± 0.25
	p-value	0.538^a	0.307^a	0.451^a	0.247^a	0.715^a	0.021^a*
EVO	Initial	−0.11 ± 0.37	−0.09 ± 0.42	−0.13 ± 0.46	0.29 ± 0.24	0.32 ± 0.27	0.38 ± 0.28
	Final	−0.08 ± 0.32	−0.06 ± 0.38	−0.09 ± 0.36	0.24 ± 0.22	0.30 ± 0.24	0.27 ± 0.25
	Difference	0.03 ± 0.19	0.03 ± 0.27	0.04 ± 0.26	−0.05 ± 0.18	−0.03 ± 0.20	−0.10 ± 0.22
	p-value	0.506^a	0.306^a	0.366^a	0.212^a	0.289^a	0.002^b*
Hill-RBF	Initial	−0.05 ± 0.39	−0.09 ± 0.42	−0.18 ± 0.48	0.31 ± 0.23	0.32 ± 0.29	0.41 ± 0.30
	Final	−0.03 ± 0.35	−0.05 ± 0.40	−0.15 ± 0.40	0.26 ± 0.23	0.31 ± 0.25	0.33 ± 0.26
	Difference	0.03 ± 0.19	0.04 ± 0.26	0.04 ± 0.27	−0.05 ± 0.17	−0.01 ± 0.21	−0.08 ± 0.24
	p-value	0.537^a	0.191^a	0.495^a	0.232^a	0.657^a	0.031^b*
Hoffer QST	Initial	−0.16 ± 0.42	−0.06 ± 0.45	−0.20 ± 0.50	0.34 ± 0.28	0.34 ± 0.31	0.41 ± 0.34
	Final	−0.13 ± 0.38	−0.02 ± 0.43	−0.18 ± 0.39 99	0.29 ± 0.26	0.33 ± 0.27	0.31 ± 0.30
	Difference	0.04 ± 0.20	0.04 ± 0.26	0.02 ± 0.26	−0.05 ± 0.19	0.00 ± 0.21	−0.10 ± 0.23
	p-value	0.449^a	0.191^a	0.653^a	0.246^a	0.605^b	0.022^a*
Kane	Initial	−0.13 ± 0.36	−0.14 ± 0.41	−0.22 ± 0.47	0.29 ± 0.25	0.33 ± 0.28	0.40 ± 0.33
	Final	−0.10 ± 0.31	−0.11 ± 0.37	−0.18 ± 0.38	0.23 ± 0.23	0.28 ± 0.26	0.31 ± 0.28
	Difference	0.03 ± 0.19	0.03 ± 0.26	0.04 ± 0.26	−0.05 ± 0.19	−0.05 ± 0.21	−0.09 ± 0.22
	p-value	0.535^a	0.320^a	0.395^a	0.221^a	0.064^a	0.011^b*
Pearl DGS	Initial	0.08 ± 0.38	−0.03 ± 0.41	−0.21 ± 0.48	0.31 ± 0.22	0.32 ± 0.25	0.41 ± 0.32
	Final	0.11 ± 0.33	−0.01 ± 0.36	−0.17 ± 0.37	0.26 ± 0.22	0.29 ± 0.21	0.30 ± 0.27
	Difference	0.03 ± 0.20	0.03 ± 0.29	0.04 ± 0.28	−0.05 ± 0.18	−0.03 ± 0.22	−0.10 ± 0.24
	p-value	0.592^a	0.397^a	0.416^a	0.268^a	0.212^a	0.003^b*

Data are presented as mean ± standard deviation

Statistically significant values (p < 0.05) are shown in asterisk (^*)

^a Paired t-test

^b Wilcoxon signed rank test

ME mean predictive error, SD standard deviation, MAE mean absolute predictive error, BUII Barrett Universal II