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Table 1 Standardized mortality ratios and numbers of deaths for all causes combined by NCI update and FA exposure status e

From: Issues of methods and interpretation in the National Cancer Institute formaldehyde cohort study

 

Formaldehyde exposure status

 

Non-exposed

Exposed

NCI update

No. deaths

SMR

95% CI

No. deaths

SMR

95% CI

All causes of death (ICD8: 001-999)

NCI 1994 updatea.

1,991

0.85*

0.81-0.89

6,495

0.96*

0.94-0.98

NCI 1994 update (corrected)b.

2,169

0.89*

0.86-0.93

7,312

1.02

0.99-1.04

NCI 2004 updatec.

2,605

0.90*

0.87-0.94

11,346

1.03*

1.01-1.05

NPC deaths (ICD8: 147)d.

NCI 1994 updatea.

2

1.56

0.39-6.23

8

2.10

0.91-4.14

NCI 1994 update (corrected)b.

2

1.57

0.40-6.28

8

2.13

0.92-4.19

NCI 2004 updatec.

2

1.45

0.17-5.25

9

1.84

0.84-3.49

  1. a.Hauptmann et al.[3].
  2. b.Beane-Freeman et al.[8].
  3. c.Beane-Freeman et al.[6].
  4. d.95% confidence intervals based on exact methods.
  5. e.FA exposure status calculated using 15-year time lag.
  6. *95% CI does not include 1.00.