Table 2.

Crude hazard ratios based on Cox proportional hazards model to assess characteristics associated with all-cause mortality in patients with neuroendocrine tumors (N=96).

Characteristica and category		Total deaths (N)	Crude hazard ratiob (95% CI)	P value
Age at diagnosis (years)
	≤65	13	Reference
	>65	23	3.05 (1.54-6.06)	.001
Sex
	Male	16	4.33 (1.51-12.37)c	.01
	Female	20	Reference
Neuroendocrine tumor site
	Lung	15	0.89 (0.37-2.13)	.80
	Gastroenteropancreatic	13	0.25 (0.10-0.61)	.002
	Other	8	Reference
Grade at diagnosis
	1	11	Reference
	2-3	7	1.81 (0.69-4.72)	.23
Remoteness category
	City	21	1.56 (0.80-3.03)	.19
	Regional/remote	15	Reference
Resection surgery
	No	20	3.25 (1.68-6.30)	.001
	Yes	16	Reference
Stage at diagnosis
	Localized/regional	18	Reference
	Distant	17	2.15 (1.10-4.18)	.03
Tumor size category
	<20 mm	9	Reference
	≥20 mm	13	1.43 (0.61-3.36)	.41

^aInformation on grade was missing at diagnosis for 34 patients, on resection surgery for 1 patient, on stage at diagnosis for 1 patient, and on tumor size for 27 patients.

^bHazard ratios were based on Cox proportional hazards model.

^cHazard ratio adjusted for time interaction.