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Table 3 Classification of S. aureus colonization types in subjects completing a minimum of three subsequent visits

From: Persistence survey of Toxic Shock Syndrome toxin-1 producing Staphylococcus aureusand serum antibodies to this superantigen in five groups of menstruating women

Group

No.

Sample

location

S. aureus

No. of

subjects

% Transient

carriers (#subjects)

CIa= 0 -24%

% Intermittent

carriers (#subjects)

CIa= 25 -74%

% Persistent

carriers (#subjects)

CI a= 75-100%

1

Vagina

Toxigenic

13

76.9% (10)

23.1% (3)

0% (0)

2

Nasal

Toxigenic

61

29.5% (18)

29.5% (18)

41.0% (25)

2

Anal

Toxigenic

12

66.7% (8)

33.3% (4)

0% (0)

3

Vagina

Non-toxigenic

22

54.5% (12)

40.9% (9)

4.5% (1)

3

Nasal

Non-toxigenic

31

29.0% (9)

35.5% (11)

35.5% (11)

3

Anal

Non-toxigenic

14

64.3% (9)

28.6% (4)

7.1% (1)

4

Any site

Non-toxigenic

58

70.7% (41)

22.4% (13)

6.9% (4)

4

Any site

Toxigenic

58

94.8% (55)

5.2% (3)

0% (0)

  1. aCI = carrier index, the number of swabs with positive culture of S. aureus relative to the total number of swabs taken × 100