Control (n=23) | Goggle (n=23) | 95% Confidence interval for difference | P value | |
---|---|---|---|---|
Postnatal age ERG done (days) | 61 (3) | 59 (4) | 0.72 | |
Gestational age ERG done (weeks) | 36.6 (0.3) | 36.2 (0.3) | 0.33 | |
Duration of goggle wear | 30.9 (1.2) | |||
Duration of standard nursery light exposure before ERG (days) | 61 (3) | 28 (3) | < 0.001 | |
Rod log threshold (log scot td-sec) | −0.11 (0.08) | −0.04 (0.09) | −0.31 to 0.17 | 0.56 |
Rod log k (log scot td-sec) | 0.86 (0.08) | 0.80 (0.09) | −0.18 to 0.30 | 0.62 |
Rod log Vmax (log μV) | 1.32 (0.04) | 1.20 (0.04) | −0.004 to 0.24 | 0.06 |
Cone log threshold (log phot td-sec) | −0.11 (0.06) | −0.07 (0.06) | −0.21 to 0.13 | 0.62 |