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Table 3 Number of subjective health complaints and total SHC score relative to tick bites and Borrelia antibodies

From: Subjective health complaints are not associated with tick bites or antibodies to Borrelia burgdorferi sensu lato in blood donors in western Norway: a cross-sectional study

 

No. subjects1

Median (IQR)2

Mean (SEM)3

Adjusted mean (SEM)3,4

Number of complaints

    

Tick-bites

    

 ≤1

624

3.0 (1.0-5.0)

3.59 (0.14)

3.62 (0.13)

 >1

570

3.0 (1.0-5.0)

3.64 (0.13)

3.60 (0.14)

 p difference

  

0.785

0.903

IgG

    

 -

1135

3.0 (1.0-5.0)

3.62 (0.10)

3.63 (0.10)

 +

78

2.0 (1.0-4.0)

3.29 (0.50)

3.42 (0.51)

 p difference

  

0.527

0.603

IgM

    

 -

1144

3.0 (1.0-5.0)

3.58 (0.10)

3.60 (0.10)

 +

69

3.0 (1.0-5.0)

3.94 (0.51)

3.87 (0.51)

 p difference

  

0.480

0.600

Total SCH score 5

    

Tick-bites

    

 ≤1

595

3.0 (1.0-6.0)

4.71 (0.24)

4.76 (0.25)

 >1

541

3.1 (1.0-6.0)

4.58 (0.20)

4.51 (0.20)

 p difference

  

0.672

0.440

IgG

    

 -

1077

3.0 (1.0, 6.0)

4.62 (0.14)

4.60 (0.14)

 +

71

3.0 (1.0, 5.0)

5.22 (1.31)

5.36 (1.26)

 p difference

  

0.644

0.550

IgM

    

 -

1086

3.0 (1.0-6.0)

4.57 (0.14)

4.57 (0.14)

 +

62

3.1 (2.0-7.0)

6.06 (1.41)

5.94 (1.35)

 p difference

  

0.295

0.313

  1. 1The number of subjects does not reach 1213 because of missing data
  2. 2Interquartile range (IQR)
  3. 3Standard error of the mean (SEM) predicted by linear regression with robust variance estimation
  4. 4Adjusted for gender, age and blood bank location
  5. 5SCH: Subjective health complaints. Total SHC score: See text