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Table 1 Demographics and baseline clinical characteristics

From: The disease burden of pertussis in adults 50 years old and older in the United States: a retrospective study

 

Private practitioner setting

Hospital setting

Patients in both private practitioner and hospital settings

Patient count

% of Total

Patient count

% of Total

Patient count

% of Total

N

5,490

100

643

100

385

100

Gender

      

 Male

1,779

32.4

238

37.0

145

37.7

 Female

3,711

67.6

405

63.0

240

62.3

Age, years

      

 50-64

3,523

64.2

402

62.5

242

62.9

  50-54

1,276

23.2

132

20.5

76

19.7

  55-59

1,175

21.4

132

20.5

75

19.5

  60-64

1,072

19.5

138

21.5

91

23.6

 ≥65

1,967

35.8

241

37.5

143

37.1

  65-69

731

13.3

89

13.8

54

14.0

  70-74

503

9.2

67

10.4

42

10.9

  ≥75

733

13.4

85

13.2

47

12.2

Mean (SD) Age

63 (9)

na

63 (9)

na

61 (9)

na

US Census Region

      

 Midwest

1,042

19.0

96

14.9

54

14.0

 Northeast

664

12.1

165

25.7

71

18,4

 South

2,236

40.7

218

33.9

130

33.8

 West

1,547

28.2

164

25.5

130

33.8

Payer Type

      

 Commercial

4,137

75.4

467

72.6

281

73.0

 Medicaid

87

1.6

26

4.0

16

4.2

 Medicare

1,264

23.0

141

21.9

86

22.3

Year of Initial Diagnosis

      

 2006

570

10.4

63

9.8

21

5.5

 2007

659

12.0

63

9.8

30

7.8

 2008

861

15.7

86

13.4

55

14.3

 2009

1,587

28.9

203

31.6

132

34.3

 2010 (Jan-Oct)

1,813

33.0

228

36.5

147

38.2

Length of Episode of Care, days

      

 Mean (SD)

26 (32)

na

28 (34)

na

34 (37)

na

 Median (range)

16 (1–180)

na

15 (1–180)

na

23 (1–180)

na

  1. na = not applicable.
  2. Census region information was not available for the entire study sample. A small percentage of patients had an unknown or other (e.g., TRICARE) insurer. Therefore, patient counts above do not always sum to the total population per setting.