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Table 2 Latency in phenylketonuria patients and in controls

From: Saccadic reaction time and ocular findings in phenylketonuria

Study participants

Reciprocal Latency (horizontally)

Latency (horizontally)

PKU all (n = 19)

 Phenylalanine concentrations above age-related therapeutic ranges (*) (n = 10)

5.291/s (SD 0.99)

189 ms

 Phenylalanine concentrations within age-related therapeutic ranges (n = 9)

5.75 1/s (SD 1.05)

180 ms

Controls (n = 75)

5.65 1/s (SD 1.05)

177 ms

  1. *: 238.4 μmol/l (64%) higher in comparison to the maximal age adjusted reference