BMC Medical Informatics and Decision Making

Table 6 Coefficients and p-values for extended Cox models

From: Modelling cancer outcomes of bone metastatic patients: combining survival data with N-Telopeptide of type I collagen (NTX) dynamics through joint models

Model	Age diagnosis		Sex		ExtraMets		log(NTX)
	Value	p-value	Value	p-value	Value	p-value	Value	p-value
Omit/LOCF	0.0171	0.0256	0.3049	0.1658	0.6485	0.0047	0.1401	0.0819
OCS	0.0172	0.0232	0.2963	0.1763	0.6458	0.0048	0.1629	0.0496

Since the extended Cox model considers the time-variant feature as a step function, with steps on each measurement, omitting missing values and LOCF generate the same extended Cox model

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ISSN: 1472-6947

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