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Table 1 Demographic and epidemiological characteristic of subgroups

From: Blastocystis specific serum immunoglobulin in patients with irritable bowel syndrome (IBS) versus healthy controls

 

IBS-P

IBS-N

HC-P

HC-N

(n = 26)

(n = 14)

(n = 24)

(n = 16)

Age (years; mean ± SD)

44.5 ± 15.2

44.5 ± 14.2

48.7 ± 13.2

41.7 ± 15.0

Female (n, %)

19

11

12

11

Caucasian (n, %)

26 (100)

13 (93)

21 (88)

9 (56)

Season recruited (n)

    

Spring

2

3

19

0

Summer

8

5

4

1

Autumn

11

4

0

7

Winter

5

2

1

8

Blastocystis subtype distribution

   

ST1

2

 

6

 

ST2

1

 

3

 

ST3

9

 

8

 

ST4

9

 

4

 

ST5

0

 

1

 

ST6

0

 

0

 

ST7

3

 

1

 

ST8

2

 

1

 

Serum IgAa (g/L; mean ± SD)

1.63 ± 0.95

2.19 ± 1.01

1.54 ± 0.76

3.06 ± 1.61

  1. SD: standard deviation
  2. IBS-P/N: Irritable bowel syndrome subjects positive/negative for Blastocystis
  3. HC-P/N: Healthy control subjects positive/negative for Blastocystis
  4. ST: subtype; IgA: Immunoglobulin A
  5. a unadjusted mean; results IgA of different subtypes in IBS-P & HC-P groups were pooled for analysis purpose
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