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Table 2 Estimated age-specific absolute excess mortality rates and standardized mortality ratios for all-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

1.05

0.64

1.03

0.31

1.06

 <5

0.00

0.87

0.00

0.98

0.00

1.01

 5–14

0.00

0.90

0.00

0.85

0.48

1.25

 15–24

0.00

0.91

0.00

0.85

1.08

1.24

 25–44

0.53

1.08

0.77

1.15

1.06

1.11

 45–64

0.74

1.10

1.41

1.02

0.73

1.03

 ≥65

1.85

1.09

3.50

1.02

1.73

1.02

  1. aAbsolute excess mortality rates/10,000 population based a cyclical Serfling linear regression model and weekly all-cause 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)