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. 2014 May 5;14:316. doi: 10.1186/1471-2407-14-316

Table 1.

Demographic and clinical characteristics of the study population by sex

Characteristic
OPC
OCC
P
OPC
OCC
P
P’
P”
  Men Women    
Mean age at tumour diagnosis
60.5 ± 10.9
63.6 ± 13.2
<0.001*
63.5 ± 12.3
67.1 ± 14.8
<0.001*
<0.001*
<0.001*
Age
 
 
 
 
 
<50 years
287 (19.0%)
413 (15.3%)
<0.001*
76 (13.9%)
213 (13.1%)
<0.001*
<0.001*
<0.001*
51-60 years
492 (32.5%)
633 (23.5%)
159 (29.1%)
294 (18.1%)
61-70 years
447 (29.6%)
782 (29.0%)
138 (25.2%)
406 (25.0%)
71 years & above
286 (18.9%)
864 (32.1%)
174 (31.8%)
714 (43.9%)
Year of tumour diagnosis
 
 
 
 
 
1981-85
99 (6.5%)
416 (15.5%)
<0.001*
55 (10.1%)
217 (13.3%)
0.008*
0.004*
<0.001*
1986-90
160 (10.6%)
481 (17.9%)
71 (13.0%)
229 (14.1%)
1991-95
201 (13.3%)
491 (18.2%)
84 (15.4%)
287 (17.6%)
1996-2000
245 (16.2%)
471 (17.5%)
88 (16.1%)
301 (18.5%)
2001-05
393 (26.0%)
446 (16.6%)
137 (25.0%)
310 (19.1%)
2006-10
414 (27.4%)
387 (14.4%)
112 (20.5%)
283 (17.4%)
Ethnicity
 
 
 
 
 
South Asian
42 (2.8%)
97 (3.6%)
0.37
20 (3.7%)
77 (4.7%)
0.02*
0.04*
0.001*
Chinese
51 (3.4%)
85 (3.2%)
10 (1.8%)
83 (5.1%)
General population
1419 (93.8%)
2510 (93.2%)
517 (94.5%)
1467 (90.2%)
Stage at diagnosis
 
 
 
 
 
Early
211 (14.0%)
907 (33.7%)
  124 (22.7%)
615 (37.8%)
<0.001* <0.001* <0.001*
Late
1245 (82.3%)
1138 (42.3%)
392 (71.7%)
598 (36.8%)
Unknown 56 (3.7%) 647 (24.0%) 31 (5.7%) 414 (25.4%)

P value is based on independent T-test value for mean age at diagnosis.

P value is based on P value based on Pearson’s chi -square test for age, year of diagnosis, ethnicity, stage at diagnosis.

P’ based on difference between OPC men and women.

P” based on difference between OCC men and women.

*Indicates that P value is significant (level of significance <0.05).

OPC- oropharyngeal cancers; OCC- oral cavity cancers.