Table 2: Comparison of the presenting symptoms among patients with and without thrombocytopaenia.

Symptom	Platelet count (%)		OR* (95% CI)
	Normal	Thrombocytopaenia
Presented at or after day 3 of fever	26 (65)	31 (93.9)	5.88(1.20-28.8)†
Myalgia	32 (80)	23 (82.1)	1.09 (0.51-2.31)
Headache	25 (64.1)	22 (78.6)	1.56 (0.75-3.26)
Nausea/vomiting	18 (46.2)	23 (76.7)	2.24 (1.12-4.50)‡
Arthralgia	26 (40)	13 (54.2)	1.43 (0.76-2.69)
Retro-orbital pain	9 (23.1)	6 (26.1)	1.11 (0.54-2.29)
Rash	5 (12.5)	8 (24.2)	1.47 (0.88-2.49)

*Odds ratio (95% confidence interval)

†p=0.04

‡p=0.01