Table 6.
Mean cell density in three assessments by one observer
Assessment | Auto | First | Second | Third |
---|---|---|---|---|
Cell density, cells mm-3 (± SD) | 24829 ± 6866 | 22956 ± 6676 | 26116 ± 6221 | 23171 ± 6788 |
Difference in density, cells mm-3a | ||||
Auto | 1874* ± 4078 | -1286** ± 4187 | 1659* ± 4027 | |
First | -3160* ± 2947 | -215 ± 3122 | ||
Second | -2945* ± 2772 |
P<0.0001, paired t-test.
P = 0.002, paired t-test.
Difference in density by assessment indicated in row minus density by assessment indicated in column.
In all assessments n = 108 frames from nine corneas, 3 years after LASIK.