Table 2.

Symptom Evaluation Scores Used by Included Studies

Symptom Evaluation Score	Symptoms of Concussion	Used by
Sport Concussion Assessment Tool–3 (SCAT 3) 25	Headache, “pressure in head,” neck pain, nausea or vomiting, dizziness, blurred vision, balance problems, sensitivity to light/noise, feeling slowed down/like “in a fog,”“don’t feel right,” difficulty concentrating/remembering, fatigue or low energy, confusion, drowsiness, trouble falling asleep, more emotional, irritability, sadness, nervousness, or anxiousness	Vedung 58 (2020)
Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) 28	Based on the Post-Concussion Symptom Checklist	Maher 35 (2014) Covassin 10 (2013) Stojsih 55 (2010)
Post-Concussion Symptom Checklist 5	Headache, nausea, vomiting, balance problems, dizziness, fatigue, trouble falling asleep, sleeping more/less than usual, drowsiness, sensitivity to light/noise, irritability, sadness, nervousness, feeling more emotional, numbness or tingling, feeling slowed down/mentally fogged, difficulty concentrating/remembering, visual problems	Ellemberg 17 (2007)
Concussion Resolution Index (CRI) 29	Vomiting, headache, dizziness, nausea, fatigue, weakness, sleep problems, concentration difficulties, memory problems, irritability, depression, nervousness, photophobia, diplopia, sensory abnormalities	Broshek 7 (2005)