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Table 2.

T. vaginalis α-actinin antibody levels in 691 prostate cancer cases and 691 matched controls in the Health Professionals Follow-up Study, 1993 to 2000

CasesControlsP*
Mean absorbance 0.22 0.21 0.24 
Median absorbance 0.16 0.16 0.59 
Score (n)    
    0 (absorbance < 0.150) 312 302  
    1+ (0.150 ≤ absorbance < 0.250) 167 193  
    2+ (0.250 ≤ absorbance < 0.500) 158 158 0.21 
    3+ (0.500 ≤ absorbance < 1.000) 50 37  
    4+ (absorbance ≥ 1.000)  
    ≥3+ 54 38 0.11 
Absorbance ≥ 0.400 (n) 87 65 0.07 
CasesControlsP*
Mean absorbance 0.22 0.21 0.24 
Median absorbance 0.16 0.16 0.59 
Score (n)    
    0 (absorbance < 0.150) 312 302  
    1+ (0.150 ≤ absorbance < 0.250) 167 193  
    2+ (0.250 ≤ absorbance < 0.500) 158 158 0.21 
    3+ (0.500 ≤ absorbance < 1.000) 50 37  
    4+ (absorbance ≥ 1.000)  
    ≥3+ 54 38 0.11 
Absorbance ≥ 0.400 (n) 87 65 0.07 
*

Assessed by paired t test for mean values, Wilcoxon signed rank test for median values, McNemar's test for dichotomous variables, and the likelihood ratio test for polychotomous variables.

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