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Table 3 Preoperative serum levels of CXCL8 (pg/ml) in relation to other variables for men who underwent radical prostatectomy and had available information on serum CXCL8 (n = 95)

From: The influence of prostatic Cutibacterium acnes infection on serum levels of IL6 and CXCL8 in prostate cancer patients

Total population (n = 95)

 Median serum CXCL8, pg/ml (min-max)

9.97 (3.36–155.53)

  

By C. acnes category

C. acnes + (n = 58)

C. acnes- (n = 37)

 

 Median serum CXCL8, pg/ml (min-max)

10.01 (5.05–130.93)

9.68 (3.36–155.53)

p = 0.658a

Gleason sum

Gleason 6 (n = 36)

Gleason 3 + 4 (n = 41)

Gleason 4 + 3 (n = 15)

Gleason 8+ (n = 3)

 

 Median serum CXCL8, pg/ml (min-max)

10.05 (4–155.53)

9.21 (3.36–83.2)

9.96 (5.95–16.07)

11.16 (9.41–12.14)

p = 0.843a

Positive sugical margins

No (n = 62)

Yes (n = 33)

 

 Median serum CXCL8, pg/ml (min-max)

10.01 (3.36–155.53)

9.41 (4.79–38.16)

p = 0.344a

pT stage

pT2 (n = 86)

pT3 (n = 9)

 

 Median serum CXCL8, pg/ml (min-max)

9.99 (3.36–155.53)

9.41 (6.24–20.53)

p = 0.576a

PSA

By PSA quartile

< 4.6 ng/ml

≥4.6, < 6.4 ng/ml

≥6.4, < 9.0 ng/ml

≥9 ng/ml

 

 Median serum CXCL8, pg/ml (min-max)

9,68 (5,05-130,93)

10,03 (4,79-155,53)

8,93 (4–38,16)

10,65 (3,36-83,2)

p = 0.646a

Non-parametric correlation

 Correlation coefficient

0.069

   

p = 0.505b

Age

By age quartile

< 61.3 years

≥61.3, < 64.7 years

≥64.7, < 67.1 years

≥67.1 years

 

 Median serum CXCL8, pg/ml (min-max)

10,09 (3,36-155,53)

10,09 (3,36-155,53)

9,21 (5,26-83,2)

11,16 (5,4-62,26)

 

Non-parametric correlation

 Correlation coefficient

0.044

   

p = 0.674b

Prostate volume

By volume quartile

0–26 ml

27–33 ml

34–50 ml

51–138 ml

 

 Median serum CXCL8, pg/ml (min-max)

10.28 (6.24–16.68)

8.89 (3.36–83.2)

10.8 (4–130.93)

9.68 (5.26–155.53)

p = 0.468a

Non-parametric correlation

 Correlation coefficient

0.045

   

p = 0.681b

  1. ap-value fron Kruskal-Wallis Test/Mann-Whitney U Test; bp-value from Spearman correllation