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Table 2 SIR and SMR for Rhodes study area compared with New South Wales and compared with Ryde and Concord SLAs for all cancers.

From: Effect of a chemical manufacturing plant on community cancer rates

Time Frame

Number of cases/ deaths

Comparison Area

Case SIR (Indirectly Standardised)

95% Confidence Interval

Death SMR (Indirectly Standardised)

95% Confidence Interval

30 years

1106/524

New South Wales

87.6#

(82.5, 92. 9)

88.7#

(81.3, 96.7)

30 years

1106/524

Concord and Ryde SLAs

90.5#

(85.2, 96.0)

92.9

(85.1, 101.2)

25 years

922/530

New South Wales

91.2#

(85.4, 97.2)

93.5

(85.2, 102.3)

  1. Notes:
  2. SLA = Statistical Local Area
  3. SIR = Standardised Incidence Ratio
  4. SMR = Standardised Mortality Ratio
  5. # Statistically significantly lower than the comparison area
  6. * Statistically significantly higher than the comparison area