Table 1

A 2×2 diagnostic table with AMS outcome as a function of AMS history

AMS outcome
Positive AMS diagnosisNegative AMS diagnosis
Positive AMS HistoryTPFP
Negative AMS HistoryFNTN
TotalTotal AMS-positive outcomesTotal AMS-negative outcomes
  • AMS, acute mountain sickness; FN, false negatives; FP, false positives; TN, true negatives; TP, true positives.