Research ArticleOriginal Article
Open Access

Characteristics of the Functional Gait Assessment in adolescents with concussion

Abdulaziz A. Alkathiry
Neurosciences Journal July 2023, 28 (3) 165-169; DOI: https://doi.org/10.17712/nsj.2023.3.20220140

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Tables

  • Table 1

    - Characteristics of the participants and group comparisons.

    CharacteristicsConcussionHealthyP-value (Mann-Whitney)
    (n=27)(n=86)
    n (%)
    Gender (Female, %)19 (70)43 (50).065^
    Age, mean (SD)15.5 (1.1)15.5 (0.9).915
    Weight (Kg), mean (SD)62.7 (15.7)63.3 (14.9).439
    Height (cm), mean (SD)166.2 (9.3)168.9 (8.2).182
    BMI, mean (SD)22.5 (3.8)22.1 (4.6).402
    GS (seconds), mean (SD)5.50 (0.84)5.03 (0.75).008#
    GDT (seconds), mean (SD)1.98 (1.48)1.12 (0.93).011
    Days since injury (med, IQR)63.5 (170.25)  

    • CS - Gait Speed, GDT - Gait Disorientation Test

    • ↵^ - Pearson Chi-Square

    • ↵# - Independent samples T test, MED - median, IQR - Interquartile Range

  • Table 2

    - Group comparisons on FGA and individual FGA items.

    Mean (SD)Concussion (n=27)Healthy (n=86)P-value (Mann-Whitney)
    FGA total27.2 (2.5)28.5 (1.4).004**
    FGA 12.5 (0.6)2.8 (0.4).007**
    FGA 22.6 (0.7)3 (0.1)< .001***
    FGA 32.7 (0.6)2.9 (0.2).003**
    FGA 42.9 (0.3)2.9 (0.3).940
    FGA 52.9 (0.3)3 (0.2).390
    FGA 62.9 (0.3)2.9 (0.3).637
    FGA 73 (0.2)2.9 (0.3).821
    FGA 82.1 (1)2.2 (0.9).526
    FGA 92.7 (0.4)2.9 (0.3).008**
    FGA 102.9 (0.4)2.9 (0.3).662

    • FGA - Functional Gait Assessment; FGA 1 - normal walking; FGA 2 - changing speed walking; FGA 3 and FGA 4 - walking during horizontal and vertical head rotations, respectively; FGA 5 - walking and rapid turn; FGA 6 - walking over obstacles; FGA 7 - walking heel-toe; FGA 8 - walking while eyes closed; FGA 9 - backward walking; FGA 10 - ascending and descending stairs.

    • ↵** p<.01

    • ↵*** p<.001

  • Table 3

    - Contingency table.

    FGA cutoff ScoreConcussionHealthyTotal
    Positive (FGA ≤ 26)9716
    Negative (FGA > 26)187997
    Total2786113

    • FGA - Functional Gait Assessment

  • Table 4

    - Frequency for floor/ceiling effects of FGA items and FGA total.

    FGA ItemsFloor effect n (%)Ceiling effect n (%)
    FGA0 (0)3 (11.1)
    FGA 10 (0)16 (59.3)
    FGA 20 (0)30 (74.1)
    FGA 30 (0)20 (74.1)
    FGA 40 (0)25 (92.6)
    FGA 50 (0)25 (92.6)
    FGA 60 (0)24 (88.9)
    FGA 70 (0)26 (96.3)
    FGA 82 (7.4)12 (44.4)
    FGA 90 (0)20 (74.1)
    FGA 100 (0)23 (85.2)

    • FGA - Functional Gait Assessment; FGA 1 - normal walking; FGA 2 - changing speed walking; FGA 3 and FGA 4 - walking during horizontal and vertical head rotations, respectively; FGA 5 - walking and rapid turn; FGA 6 - walking over obstacles; FGA 7 - walking heel-toe; FGA 8 - walking while eyes closed; FGA 9 - backward walking; FGA 10 - ascending and descending stairs.

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