Nodal disease predicts recurrence whereas other traditional factors affect survival in a cohort of South African patients with differentiated thyroid carcinoma

Table 4 Multivariate analyses for RFS

Variable	Description	Parameter estimate	Standard error	p-value	HR (95% CI)
T stage	T4 vs T0–3	0.738	0.490	0.132	2.091 (0.800–5.464)
Extra-thyroid extension	Yes vs no	0.411	0.548	0.453	1.508 (0.515–4.415)
Gender	Male vs female	−0.700	0.425	0.100	0.496 (0.216–1.142)
Nodal status	Present vs none	1.509	0.408	< 0.001*	4.523 (2.032–10.070)

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