Cancer incidence and mortality in rural workers in the Brazilian Western Amazon

Santos, Emanuela de Souza Gomes dos; Lopes, Creso Machado; Koifman, Sergio

doi:10.1590/1414-462X201600010131

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Sumário

Artigos Originais • Cad. saúde colet. 24 (1) • Jan-Mar 2016 • https://doi.org/10.1590/1414-462X201600010131 copy

Cancer incidence and mortality in rural workers in the Brazilian Western Amazon

Incidência e mortalidade por câncer em trabalhadores rurais na Amazônia Ocidental Brasileira

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Aim

To conduct an exploratory study about cancer incidence and mortality in rural workers in the state of Acre, Brazil.

Methods

The Proportional Cancer Incidence Ratio (PCIR) was calculated for rural male workers who live in Rio Branco, Acre, with histological diagnosis of cancer, and the Cancer Mortality Odds Ratio (CMOR) comparing cancer deaths occurred in rural workers in the state of Acre with those occurred in people with other occupations in the period from 2007 to 2012.

Results

High and statistically significant PCIR were observed for tumors of larynx, PCIR = 7.55 (95% CI 4.23-12.46); melanoma, PCIR = 11.44 (95% CI 6.55-18.54); and non – Hodgkin lymphoma, PCIR = 10.00 (95% CI 5.17-17.50) compared to the population of Rio Branco. Regarding the mortality compared analysis, we can observe CMOR = 6.94 (95% CI 1.73-27.89) for pancreatic cancer and CMOR = 13.89 (95% CI 1.25-153.60) for cancer of the urinary tract.

Conclusion

The results suggest an increase in the incidence estimates of mortality for selected tumor sites among rural workers that are consistent with the literature.

Keywords:
cancer; occupational activity; rural workers

ICD - 10	Anatomical Location	PCIR Rio Branco ^* * Hospital Cancer Registry - RCBP of Rio Branco by Nakashima et al.10	PCIR Cuiabá	PCIR Goiânia	PCIR Belém
ICD - 10	Anatomical Location	PCIR (95% CI)	PCIR (95% CI)	PCIR (95% CI)	PCIR (95% CI)
C00 - C14	Oral cavity and pharynx	1.14 (0.49 - 2.25)	0.70 (0.30 - 1.37)	0.77 (0.33 - 1.53)	0.77 (0.33 - 1.51)
C15	Esophagus	0.34 (0.01 - 1.88)	0.13 (0.00 - 0.75)	0.20 (0.01 - 1.12)	0.25 (0.01 - 1.41)
C16	Stomach	0.68 (0.40 - 1.07)	1.37 (0.81 - 2.17)	1.41 (0.84 - 2.23)	0.50 (0.30 - 0.79)
C18 - C21	Colon, Rectum-sigmoid junction/anus	0.41(0.11 - 1.05)	0.33 (0.09 - 0.85)	0.28 (0.08 - 0.72)	0.48 (0.13 - 1.23)
C22	Liver and biliary tract	0.37(0.01 - 2.04)	0.49 (0.01 - 2.74)	0.32 (0.01 - 1.79)	0.14 (0.00 - 0.76)
C25	Pancreas	3.40 (0.92 - 8.70)	1.51 (0.41 - 3.86)	1.73 (0.47 - 4.44)	0.96 (0.26 - 2.45)
C30 - C31	Nasal cavity/paranasal sinuses	1.92 (0.05 - 10.69)	2.99 (0.08 - 16.64)	2.43 (0.06 - 13.51)	2.14 (0.05 - 11.90)
C32	Larynx	7.55 (4.23 - 12.46)	2.31 (1.29 - 3.81)	3.36 (1.88 - 5.55)	2.78 (1.56 - 4.60)
C33 - C34	Trachea, lung and bronchus	0.20 (0.05 - 0.51)	0.23 (0.06 - 0.59)	0.27 (0.07 - 0.69)	0.14 (0.04 - 0.35)
C43	Melanoma	11.44 (6.55 - 18.54)	10.05 (5.75 - 16.28)	5.16 (2.95 - 8.35)	14.02 (8.02 - 22.71)
C49	Connective tissue	1.92 (0.05 - 10.69)	0.75 (0.02 - 4.18)	0.84 (0.02 - 4.70)	0.54 (0.01 - 2.98)
C60	Penis	0.60 (0.02 – 3.33)	0.78 (0.02 - 4.36)	0.53 (0.01 - 2.94)	0.88 (0.02 - 4.93)
C61	Prostate	0.88 (0.70 - 1.09)	1.09 (0.87 - 1.36)	1.11 (0.88 - 1.39)	2.50 (2.00 - 3.13)
C62	Testis	3.40 (0.09 - 18.94)	1.15 (0.03 - 6.42)	1.66 (0.04 - 9.27)	1.85 (0.05 - 10.29)
C64 - C66	Kidney	1.50 (0.55 - 3.27)	1.69 (0.62 - 3.68)	1.03 (0.38 - 2.24)	0.87 (0.32 - 1.91)
C67	Bladder	3.68 (0.76 - 10.75)	0.91 (0.19 - 2.66)	0.69 (0.14 - 2.02)	1.28 (0.26 - 3.74)
C69	Eye	0.58 (0.01 - 3.22)	2.16 (0.05 - 12.01)	1.78 (0.05 - 9.91)	5.04 (0.13 - 28. 06)
C70 - C72	Brain	0.92 (0.02 - 5.12)	0.23 (0.01 - 1.30)	0.28 (0.01 - 1.54)	0.34 (0.01 - 1.87)
C73 - C75	Endocrine glands	3.02 (0.82 - 7.73)	3.61 (0.98 - 9.25)	2.78 (0.76 - 7.13)	3.49 (0.95 - 8.93)
C82 -C85	Lymphoma no- Hodgkin	10.00 (5.17 - 17.50)	3.77 (1.95 - 6.60)	2.34 (1.21 - 4.09)	3.52 (1.82 - 6.16)
C91 - C95	Leukemia	0.46 (0.06 - 1.65)	0.57 (0.07 - 2.07)	0.33 (0.04 - 1.18)	0.53 (0.06 - 1.93)

ICD-10	Anatomic Location	CMOR	95% CI	p
C00-C97	All Sites	1.02	0.75 - 1.39	0.88
C00-C14	Oral cavity and pharynx	0.98	0.12 - 7.99	1.00^* * Fisher's exact test
C16	Stomach	0.94	0.33 - 2.69	1.00
C22	Liver and biliary tract	1.55	0.58 - 4.12	0.38^* * Fisher's exact test
C25	Pancreas	6.94	1.73 - 27.89	0.01 ^* * Fisher's exact test
C30-C34	Respirator	0.89	0.38 - 2.10	0.79
C32	Larynx	4.63	0.77 - 27.80	0.12^* * Fisher's exact test
C33-C34	Trachea, lung and bronchus	0.67	0.24 - 1.90	0.64^* * Fisher's exact test
C43-C 44	Melanoma	2.31	0.24 - 22.32	0.41^* * Fisher's exact test
C61	Prostate	1.03	0.50 - 2.09	0.93
C64-C68	Malignant neoplasms of urinary tract	13.89	1.25 - 153.60	0.04 ^* * Fisher's exact test
C85	Lymphoma no- Hodgkin	1.73	0.19 - 15.58	0.49^* * Fisher's exact test

Instituto de Estudos em Saúde Coletiva da Universidade Federal do Rio de Janeiro Avenida Horácio Macedo, S/N, CEP: 21941-598, Tel.: (55 21) 3938 9494 - Rio de Janeiro - RJ - Brazil
E-mail: cadernos@iesc.ufrj.br

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[1] Correspondence: Emanuela de Souza Gomes dos Santos – Instituto Federal de Educação, Ciência e Tecnologia do Acre (IFAC), Avenida Brasil, 920 – Xavier Maia – CEP: 69903-068 – Rio Branco (AC), Brasil – Email: emanuela.santos@ifac.edu.br