B).
Difference between retrospectively predicted LenStar value and analytic arm LenStar data. The predictive values (not shown) are calculated by fitting the validation arm ultrasound values into linear equations created using the parameters in Appendix 4A.
| Mean ± SD difference (Predictive LenStar – Measured LenStar) (mm) |
95% LoA | Mean ± SD percentage difference |
95% CIs in percentage difference |
|||
|---|---|---|---|---|---|---|
| Lower bound |
Upper bound |
Lower bound |
Upper bound |
|||
| ACD | 0.001 ± 0.047 | −0.092 | 0.094 | 0.053 ± 1.716 | −0.046 | 0.152 |
| LT | 0.002 ± 0.068 | −0.132 | 0.136 | 0.066 ± 1.916 | −0.045 | 0.176 |
| VCD | 0.006 ± 0.092 | −0.174 | 0.185 | 0.064 ± 0.964 | 0.008 | 0.120 |
| AL | 0.007 ± 0.097 | −0.183 | 0.198 | 0.047 ± 0.610 | 0.012 | 0.083 |