Table 2. The mean bias and where relevant, TRV expressed as 95% limits of agreement for each of the six relevant test pairs in the paediatric group in logMAR.
| Mean difference (SE) | 95% CI mean difference | Range of observed differences | TRV (95% limits for agreement) | |
|---|---|---|---|---|
| ETDRS 1–ETDRS 2 | −0.01 (0.01) | −0.03, 0.01 | −0.14, 0.16 | ±0.14 |
| pCKP 1–pCKP 2 | −0.01 (0.01) | −0.03, 0.01 | −0.15, 0.18 | ±0.14 |
| cCKP 1–cCKP 2 | 0.02 (0.01) | 0.00, 0.04 | −0.15, 0.20 | ±0.16 |
| ETDRS 1–pCKP 1 | 0.22 (0.01) | 0.19, 0.25 | 0.04, 0.42 | ±0.16 |
| ETDRS 1–cCKP 1 | 0.20 (0.01) | 0.17, 0.23 | −0.08, 0.36 | ±0.18 |
| pCKP 1–cCKP 1 | −0.01 (0.01) | −0.04, 0.02 | −0.28, 0.21 | ±0.18 |