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Table 4 Prevalent cases of selected conditions and diseases at the annual screening stratified into classes

From: Occupational disease predictors in the nickel pyrometallurgical production: a prospective cohort observation

Disease class

Cases (%)

Cases per 100 workers

Diseases of the musculoskeletal system and connective tissue

805 (27.8)

56.5

Diseases of the eye and adnexa

646 (22.3)

45.4

Diseases of the respiratory system

460 (15.9)

32.3

Diseases of the circulatory system

382 (13.2)

26.8

Diseases of the digestive system

285 (9.8)

20.0

Endocrine, nutritional and metabolic diseases

198 (6.8)

13.9

Certain infectious and parasitic diseases

155 (5.4)

10.9

Diseases of the genitourinary system

134 (4.6)

9.4

Diseases of the skin and subcutaneous tissue

112 (3.9)

7.9

Diseases of the ear and mastoid process

96 (3.3)

6.7

Neoplasms

84 (2.9)

5.9

Injury, poisoning and certain other consequences of external causes

60 (2.1)

4.2

Diseases of the nervous system

16 (0.6)

1.1

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

13 (0.4)

0.9

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

9 (0.3)

0.6

  1. Note: data are presented as absolute cases/per cent to all occupational disease claims (N/2895*100) and /cases per 100 workers (N/1424*100)