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. 2013 May 23;20(6):1143–1149. doi: 10.1136/amiajnl-2012-001208

Table 3.

High-risk symptoms: comparison of subject line string search to complete message abstraction

Message symptom capture by subject line string search (N=366) Message symptom capture by complete message abstraction (N=366) String search terms
Symptom n (%) n (%)
Abdominal pain 2 (0.5) 4 (1.1) Abdominal, abdomen, stomach, belly
Breathing concerns 1 (0.3) 3 (0.8) Breath
Chest pain 1 (0.3) 1 (0.27) Chest, heart
Lightheaded/palpitation 1 (0.3) 2 (0.55) Palpitation, heart, lighthead, faint, pass out
Nausea/vomiting 2 (0.5) 3 (0.8) Nausea, vomit
Total 7 (1.9) 13 (3.55) NA