2018-19 Section 7-Neoplastic and Inflammatory Diseases of the Head and Neck eBook

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CHERAGHLOU ET AL .

TABLE 2

Multivariate analysis of factors associated with survival for patients with adverse postoperative features

Early-stage disease

Late-stage disease

Variables

HR

P value

HR

P value

Patient factors

Age, years 50

1 [Reference]

1 [Reference]

. . .

. . .

51-60 61-70

1.738 2.683 6.264

< .001 < .001 < .001

1.375 1.474 2.283

< .001 < .001 < .001

> 70

Sex

Female

1 [Reference]

1 [Reference]

. . .

. . .

Male

1.298

.006

1.139

.008

Race

White Black

1 [Reference]

. . . . . . . . . . . . . . .

. . . . . . . . . . . . . . .

. . .

0.893 0.905 0.705 0.763

.231 .441 .032 .111

Hispanic

Asian/Pacific Islander

Other

Charlson/Deyo Score 0

1 [Reference]

1 [Reference]

. . .

. . .

1

1.119 2.107

.362

1.240 1.642

< .001 < .001

2

< .001

System factors

Insurance status Private

1 [Reference]

1 [Reference]

. . .

. . .

Government

1.460 1.204 1.331

.004 .611 .413

1.162 1.197 0.675

.014 .199 .044

None

Unknown

Tumor factors

T classification 1

1 [Reference]

1 [Reference]

. . .

. . .

2 3 4

1.516

< .001

1.198 1.627 1.991

.066

< .001 < .001

. . . . . .

. . . . . .

N classification 0

1 [Reference]

. . . . . . . . . . . .

. . . . . . . . . . . .

. . .

1 2 3

1.499 2.182 2.208

< .001 < .001

.003

Histology

Mucoepidermoid

1 [Reference]

. . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . .

. . .

Acinic

1.006 1.036 1.239 0.979 1.183

.962 .731 .009 .851 .012

Adenoid cystic Adenocarcinoma Malignant mixed Other/unknown

(Continues)

51