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. 2022 Jun 9;11(3):CNS89. doi: 10.2217/cns-2022-0009

Table 2. . Prediagnostic symptomatic interval.

  PSI 1 (parents delay) PSI 2 (doctors delay) PSI 3 (subspecialist delay) PSI overall
Median 22 days 23.5 days 0 days 80.5 days
Range 0 to 1794 days 0 to 1464 days 0 to 1471 days 0 to 1815 days
IQR 5 to 62 days 5 to 61 days 0 to 5 days 31 to 199 days

IQR: Interquartile range; PSI: Prediagnostic symptomatic interval.