Retrospective Study
Copyright ©The Author(s) 2020.
World J Clin Oncol. Dec 24, 2020; 11(12): 1029-1044
Published online Dec 24, 2020. doi: 10.5306/wjco.v11.i12.1029
Table 2 Cause-specific survival analysis of mucoepidermoid carcinoma of the major salivary glands
nMedian survival
Univariate hazard ratio
Multivariate hazard ratio
95%CI
Estimate
95%CI
Estimate
95%CI
Age bands
00-0911Cannot estimateCannot estimateCannot estimate
10-1986Cannot estimate0.23b0.03-0.900.28b0.10-0.74
20-29174Cannot estimate0.23b0.06-0.670.29c0.16--0.51
30-39275Cannot estimate0.710.37-1.340.950.85-1.06
40-49319Cannot estimate ReferenceReference
50-59431Cannot estimate2.50a1.62-3.961.99c1.30-3.06
60-69381Cannot estimate3.34a2.17-5.292.47c2.18-2.80
70-79336Cannot estimate5.41a3.48-8.673.00c2.63-3.43
80+197Cannot estimate7.67a4.69-12.923.47c3.17-3.79
Stage
Localized 1344Cannot estimateReference
Regional 591Cannot estimate7.46a5.78-9.703.90c3.77-4.04
Distant 14341 ± 23.4316.71a11.95-23.345.79c5.77-5.81
Unknown 132Cannot estimate6.27a3.62-10.383.01c1.79-5.05
Primary tumor size (mm)
0-10209Cannot estimateReferenceReference
11-20576Cannot estimate1.870.86-4.621.4b1.01-1.92
21-30355Cannot estimate5.08a2.41-12.342.13c1.48-3.06
31-40150Cannot estimate8.18a3.75-20.312.27b1.04-4.95
41-5057Cannot estimate17.24a7.48-44-633.19c2.44-4.17
> 508789 ± 108.6918.24a8.30-45.633.53c2.58-4.83
Unknown/unspecific776Cannot estimate6.25a3.10-14.692.57c1.73-3.82
Grade
I403Cannot estimateReferenceReference
II850Cannot estimate1.750.98-3.331.560.88-2.76
III/IV538Cannot estimate15.48a9.17-28.164.35c2.52-7.52
Unknown419Cannot estimate7.02a4.06-13.012.92c1.67-5.10
Race
American Indian/Alaska Native16Cannot estimate1.240.33-3.204.29c2.18-8.48
Asian or Pacific Islander206Cannot estimate0.64b0.41-0.960.790.52-1.19
Black239Cannot estimate0.66b0.44-0.951.060.94-1.19
Unknown 23Cannot estimate0.00b0.00-0.90Cannot estimate
White1726Cannot estimateReferenceReference
Sex
Female 1093Cannot estimateReferenceReference
Male1117Cannot estimate2.38a1.92-2.961.36b1.09-1.69
Radiation
No/unknown1200Cannot estimate0.27a0.22-0.342.100.43-1.49
Yes1010Cannot estimateReferenceReference
Sequence
Not applicable 1260Cannot estimateReferenceReference
Radiation after surgery902Cannot estimate2.66a2.15-3.300.960.50-1.84
Radiation before surgery48Cannot estimate2.79c1.55-4.701.050.47-2.33
Surgery
No 77Cannot estimate4.37a2.89-6.382.17b1.18-3.98
Unknown2874 ± 7.674.84a2.54-8.441.62c1.49-1.76
Yes2105Cannot estimateReferenceReference
Diagnosis year
1975-1995960Cannot estimate1.40b1.14-1.731.33b1.03-1.72
1996-20161250Cannot estimateReferenceReference
Surgery typeVariable not used in multivariate analysis
Excision 2085Cannot estimateReference
Limited surgical procedure/biopsy20Cannot estimate1.500.48-3.55
None 77Cannot estimate4.41a2.92-6.44
Unknown2874 ± 7.674.89a2.57-8.53
Diagnosis yearVariable not used in multivariate analysis
1975-1984405Cannot estimate2.09a1.53-2.88
1985-1994497Cannot estimate1.47b1.06-2.04
1995-2004564Cannot estimate1.44b1.05-1.98
2005-2016744Cannot estimateReference