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Table 1 Number of cases, mean age at onset of lung cancer, and survival time in patients exposed and non-exposed to chromium.

From: Lung cancer incidence and survival in chromium exposed individuals with respect to expression of anti-apoptotic protein survivin and tumor suppressor P53 protein

Group

No. of cases

Age at onset range (yr)

P

Survival range (mo)

P

Exposed

67

62.2 ± 9.1

39-82

 

9.0 ± 12.7

0.3-60

 

Non-exposed

104

65.7 ± 10.5

43-87

0.018*

12.1 ± 21.9

0.5-210

0.473

  1. *Significant difference between exposed and non-exposed patients by t-test.