Table 3.
Changes in time taken per eye and change in the quality of photographs taken with experience
| User | First 100 eyes
|
Last 100 eyes
|
Difference
|
P-valueb
|
||||
|---|---|---|---|---|---|---|---|---|
| Median timea (s) | Median quality | Median time (s) | Median quality | Time (s) | Quality | Time (s) | Quality | |
| 1 | 25.0 | 3.0 | 17.5 | 4.0 | −7.5 | 1.0 | 0.01 | <0.001 |
| 2 | 18.0 | 4.0 | 20.0 | 5.0 | 2.0 | 1.0 | 0.15 | <0.001 |
| 3 | 20.0 | 5.0 | 18.0 | 5.0 | −2.0 | 0.0 | 0.13 | 0.20 |
| 4 | 22.0 | 5.0 | 24.0 | 5.0 | 2.0 | 0.0 | 0.15 | 0.67 |
| 5 | 12.0 | 5.0 | 10.0 | 5.0 | −2.0 | 0.0 | 0.01 | 0.70 |
| 6 | 25.0 | 4.0 | 15.5 | 5.0 | −9.5 | 1.0 | <0.001 | <0.01 |
| 7 | 22.0 | 4.0 | 16.0 | 5.0 | −6.0 | 1.0 | 0.01 | 0.11 |
Notes:
a
Median time and quality were used, as distributions were non-normal when tested by using the Shapiro–Wilk test statistic;
b
Statistical significance was measured by using the Wilcoxon rank sum test.