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Table 6 Characteristics of Blastocystis sp. Diarrhea

From: A cross-sectional analysis of clinical presentations of and risk factors for enteric protozoan Infections in an Active Duty Population during Operation Iraqi Freedom

 

Blastocystis Only Isolated n (27)

No Protozoa Isolated n (362)

p value

Diarrhea at study enrollment, n(%)

   

Yes

6 (22.2)

98 (27.1)

 

No

21 (77.8)

263 (72.9)

0.58

Fever at study enrollment, n(%)

   

Yes

1 (3.7)

4 (1.1)

 

No

26 (96.3)

356 (98.9)

0.25

Diarrhea on Prior Deployments

  

Yes

4 (14.8)

131 (36.3)

 

No

23 (85.1)

230 (63.7)

0.03

Had other diarrhea episodes during this deployment

  

Yes

15 (55.6)

230 (63.5)

 

No

12 (44.4)

132 (36.4)

0.41

Date of last diarrhea

   

Less than 1 week ago

4 (25)

60 (26.4)

 

1-2 weeks ago

7 (43.8)

65 (28.6)

 

3-4 weeks ago

3 (18.8)

46 (20.2)

 

>4 weeks ago

1 (6.2)

56 (24.7)

0.05

Characteristics of prior diarrhea episodes during this deployment

  

Abdominal Cramps

   

Yes

9 (60)

169 (73.5)

 

No

6 (40)

61 (26.5)

0.25

Nausea

   

Yes

10 (66.7)

101 (44.3)

 

No

5 (33.3)

127 (55.7)

0.09

Vomiting

   

Yes

1 (6.7)

38 (16.7)

 

No

14 (93.3)

190 (83.3)

0.30

Headache

   

Yes

9 (60)

102 (44.5)

 

No

6 (40)

127 (55.50)

0.24

Muscle Aches

   

Yes

6 (40)

72 (31.6)

 

No

9 (60)

156 (68.4)

0.50

Joint Pain

   

Yes

3 (20)

44 (19.4)

 

No

12 (80)

183 (80.6)

0.95

Fevers

5 (33.3)

32 (14.1)

 

Yes

10 (66.7)

195 (85.9)

0.06

No

   

Blood in Stool

   

Yes

2 (13.3)

17 (7.5)

 

No

13 (86.7)

211 (92.5)

0.41

Visited Sick Call

   

Yes

3 (18.8)

46 (20.4)

 

No

13 (81.2)

180 (79.7)

0.88

Admitted?

   

Yes

1 (6.2)

4 (1.8)

 

No

15 (93.8)

221 (98.2)

0.23

Back Up Called

   

Yes

3 (20)

8 (3.5)

 

No

12 (80)

221 (96.5)

0.02

Off Base Travel Last 5 Days

   

Yes

1 (6.7)

70 (30.4)

 

No

14 (93.3)

160 (69.6)

0.07

Ate Off Base Last 5 Days

   

Yes

2 (13.3)

37 (16.1)

 

No

13 (86.7)

193 (83.9)

0.78

Ate On Base Local Last 5 Days

   

Yes

6 (40)

85 (37.0)

 

No

9 (60)

145 (63.0)

0.81