Table 4.
Boxers’ (N=16) left eye RNFL data for T1-T2
| Retinal nerve fiber layer quadrants | T1, mean (SE) | T2, mean (SE) | t-test statistic, two-tailed significance, and effect size (r) |
|---|---|---|---|
|
| |||
| Superior | 118.5 (2.1) | 119.5 (1.8) | t (1,15)=−0.45, P>0.05, r=0.01 |
| Inferior | 127.1 (3.5) | 131.5 (3.4) | t (1,15)=−2.89, P<0.05, r=0.35a |
| Nasal (N=15)b | 82.1 (2.3) | 83.8 (2.0) | t (1,14)=−1.83, P>0.05, r=0.19 |
| Temporal (N=15) | 70.4 (2.2) | 67.0 (2.1) | t (1,14)=3.98, P<0.05, r=0.52a |
| Total Average Thickness (N=15) | 99.8 (1.4) | 100.2 (1.4) | t (1,14)=−.57, P>0.05, r=0.02 |
Notes:
a
r effects: small ≥0.10, medium ≥0.30, large ≥0.50.36
b
One participant’s data excluded due to outlier.
Abbreviation: RNFL, retinal nerve fiber layer.