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Table 1 Estimated age-specific absolute excess mortality rates and standardized mortality ratios for respiratory causes of death, Maricopa Countya

From: Mortality and transmissibility patterns of the 1957 influenza pandemic in Maricopa County, Arizona

 

1957

1958

1959

Age Group (yrs)

Excess mortality rate/10,000 population

SMR

Excess mortality rate/10,000 population

SMR

Excess mortality rate/10,000 population

SMR

All ages

0.00

1.17

0.00

1.01

1.80

1.31

 <5

0.00

0.95

0.00

0.85

0.75

1.04

 5–14

0.22

4.06

0.16

1.37

0.38

3.28

 15–24

0.19

1.16

0.70

1.88

0.00

0.81

 25–44

0.08

1.24

0.23

1.40

0.38

1.40

 45–64

0.72

1.23

1.01

1.02

2.48

1.32

 ≥65

2.52

1.18

0.00

0.99

16.59

1.36

  1. aAbsolute excess mortality rates/10,000 population based a cyclical Serfling linear regression model and weekly respiratory mortality rates during the three expected pandemic waves: October 1, 1957-March 31, 1958 (1957), October 1, 1958-June 30, 1959 (1958), and October 1, 1959-June 30, 1960 (1959)