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Table 4 Estimated ARDS incidence in Maryland, calculated from the application of ICD-9 ARDS criteria

From: Acute respiratory distress syndrome: estimated incidence and mortality rate in a 5 million-person population base

 

1992

1993

1994

1995

Population*

4914

4958

5006

5050

ARDS, all inclusive

519

802

927

942

Cases/100,000

10.6

16.2

18.5

18.6

ICD-9 ARDS criteria

159

439

513

529

   Lower limit

    

ICD-9 ARDS criteria

205

568

694

720

   Upper limit

    

Cases/100,000

    

   Lower limit

3.2

8.8

10.6

10.5

   Upper limit

4.2

11.4

13.8

14.2

  1. *Expressed in thousands; represents data from the initial search that did not mandate ventilatory support; extrapolated from two previous years' growth rates (0.8% and 0.96%).