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Frequency of the visualization of the PCTF during normal and delayed blinking.
| Blinking | PCTF* |
|
|---|---|---|
| Visualized | Not visualized | |
| Normal | 5 (27.8%) | 13 (72.2%) |
| Delayed | 11 (61.1%) | 7 (38.9%) |
The percentage of the visualized PCTF was higher after delayed blinking compared to normal blinking (chi-square test, P < .05).
