Table 5

Validity and predictive value of the VOMS test for protracted recovery (>30 days) from a sport-related concussion in a clinic-based sample of paediatric patients, 2017–2020

VOMS positive test thresholdValidity of testPredictive value of test
Sensitivity
(95% CI)
Specificity
(95% CI)
PPV
(95% CI)
NPV
(95% CI)
Males
 05.1 (1.1 to 14.2)85.0 (79.9 to 89.2)7.5 (2.5 to 20.2)78.9 (77.6 to 80.2)
 ≥193.2 (83.5 to 98.1)16.7 (12.2 to 21.9)21.1 (19.7 to 22.6)91.1 (79.3 to 96.5)
 ≥286.4 (75.0 to 94.0)28.5 (22.9 to 34.5)22.4 (20.3 to 24.7)89.8 (81.7 to 94.5)
 ≥381.4 (69.1 to 90.3)43.9 (37.6 to 50.4)25.8 (22.7 to 29.0)90.8 (45.4 to 56.9)
 ≥472.9 (59.7 to 83.6)55.3 (48.8 to 61.6)28.1 (24.0 to 32.4)89.5 (84.7 to 92.9)
 ≥564.4 (50.9 to 76.5)62.6 (56.2 to 68.7)29.2 (24.3 to 34.6)88.0 (83.7 to 91.3)
 ≥652.5 (39.1 to 65.7)68.3 (62.1 to 74.1)28.4 (22.6 to 34.9)85.8 (82.0 to 88.9)
 ≥747.5 (34.3 to 60.9)70.7 (64.6 to 76.3)27.9 (21.8 to 35.1)84.9 (81.3 to 87.9)
 ≥844.1 (31.2 to 57.6)72.4 (66.3 to 77.9)27.6 (21.2 to 35.1)84.4 (81.0 to 87.3)
 ≥944.1 (31.2 to 57.6)73.2 (67.2 to 78.6)28.2 (21.6 to 35.9)84.5 (81.2 to 87.4)
 ≥1044.1 (31.2 to 57.6)73.2 (67.6 to 79.0)28.5 (21.9 to 36.3)84.6 (81.3 to 87.5)
Females
 02.9 (0.4 to 10.2)90.7 (85.1 to 94.7)11.8 (3.0 to 36.2)68.9 (67.5 to 70.2)
 ≥197.1 (89.8 to 99.6)9.9 (5.8 to 15.6)31.3 (29.9 to 32.7)88.9 (65.4 to 97.1)
 ≥292.7 (83.7 to 97.6)23.0 (16.7 to 30.3)33.7 (31.3 to 36.1)88.1 (75.2 to 94.7)
 ≥372.1 (59.9 to 82.3)34.2 (26.9 to 42.0)31.6 (27.8 to 35.8)74.3 (65.1 to 81.8)
 ≥464.7 (52.2 to 75.9)46.6 (38.7 to 54.6)33.9 (29.0 to 39.1)75.8 (68.5 to 81.8)
 ≥555.9 (43.3 to 67.9)49.7 (41.7 to 57.7)31.9 (26.6 to 37.9)72.7 (66.2 to 78.4)
 ≥652.9 (40.5 to 65.2)54.0 (46.0 to 61.9)32.7 (26.9 to 39.2)73.1 (67.1 to 78.4)
 ≥748.5 (36.2 to 61.0)58.4 (50.4 to 66.1)33.0 (26.6 to 40.1)72.9 (67.3 to 77.8)
 ≥847.1 (34.8 to 59.6)59.6 (51.6 to 67.3)33.0 (26.5 to 40.3)72.7 (67.3 to 77.5)
 ≥942.0 (30.2 to 54.5)59.9 (51.9 to 67.5)30.7 (24.1 to 38.2)71.0 (65.9 to 75.6)
 ≥1041.2 (29.4 to 53.8)60.3 (52.3 to 67.9)30.4 (23.7 to 38.1)70.8 (65.7 to 75.4)
  • NPV, negative predictive value; PPV, positive predictive value; VOMS, vestibular and ocular motor screening.