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Table 1 Demographic and clinical characteristics of the study population by sex

From: Population-based incidence trends of oropharyngeal and oral cavity cancers by sex among the poorest and underprivileged populations

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%)

  1. P value is based on independent T-test value for mean age at diagnosis.
  2. P value is based on P value based on Pearson’s chi -square test for age, year of diagnosis, ethnicity, stage at diagnosis.
  3. P’ based on difference between OPC men and women.
  4. P” based on difference between OCC men and women.
  5. *Indicates that P value is significant (level of significance <0.05).
  6. OPC- oropharyngeal cancers; OCC- oral cavity cancers.