Table 6. Univariate and multivariable Cox regression analysis for factors associated with in-hospital mortality among tetanus patients.

Factors	Reference Category	Crude HR (95%CI)	p-value	Adjusted HR (95%CI)	p-value
Age group (≥40 years)	<40 years	2.98 (0.99–9.02)	0.053	4.03 (1.07–15.17)	0.039
Incubation period (≤12 days)	>12 days	2.57 (0.96–6.85)	0.059	2.49 (0.90–6.90)	0.078
Onset time (≤4 days)	>4 days	2.94 (0.97–8.97)	0.058	3.33 (1.05–10.57)	0.041
Complication (Present)	Absent	2.79 (1.06–7.34)	0.038	2.09 (0.72–6.07)	0.175

HR: Hazard ratio; Significant p-values are shown in boldface.