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Table 1 Symptoms recorded on clinical history, with OR for death (univariate analysis).

From: Pre-hospital antibiotic treatment and mortality caused by invasive meningococcal disease, adjusting for indication bias

Symptom N (%) Mean duration in hours (95% CI) OR (95% CI)
Fever 814 (96) 22 (21–23) 0.44 (0.14–1.30)
Nausea/Vomiting 647 (76.3) 18 (16–19) 0.47 (0.26–0.85)
Petechiae 432 (50.9) 8 (6–9) 0.77 (0.43–1.38)
Headache 338 (39.9) 23 (21–26) 0.72 (0.39–1.33)
Low level of consciousness 334 (39.4) 15 (13–17) 0.60 (0.31–1.13)
Cold-like symptoms 127 (15) 60 (48–72) 2.43 (1.27–4.66)
Pharyngoamygdalitis 119 (14) 35 (29–41) 1.2 (0.55–2.65)
Arthralgia 113 (13.3) 20 (16–25) 1.29 (0.58–2.83)
Neck stiffness 71 (8.4) 16 (10–22) 0.45 (0.11–1.89)
Irritability 50 (5.9) 14 (11–18) 0.32 (0.04–2.36)
Convulsions 37 (4.4) 3 (1–4) 2.72 (1.01–7.33)