Table 5.

Univariate analysis: risk factor for epistaxis.

Variable	Odds ratio	95% confidence interval		P value
		Lower	Upper
Hb <10 gm/dL	1.9	0.48	7.39	0.27
TLC <4000/mm3	1.44	0.42	4.99	0.39
Platelet count <150 000	1.39	1.20	1.62	0.02*
PT >14 sec	1.11	0.31	3.91	0.56
INR >1.6	1.82	0.53	6.20	0.33

*P value < 0.05 significant.