Table 2 Correlation of T-cell density with age and prostate-specific antigen (PSA) in matched race tissue microarrays and combined African-American set
Matched race tissue microarrays | CD3 density | CD8 density | FOXP3 density | ||||||
|---|---|---|---|---|---|---|---|---|---|
N | r a | p | N | r a | p | N | r a | p | |
Overall | |||||||||
Age | 224 | −0.07 | 0.3 | 227 | −0.10 | 0.1 | 227 | −0.07 | 0.3 |
PSA | 224 | −0.02 | 0.8 | 227 | −0.13 | 0.05 | 227 | −0.01 | 0.9 |
European-American | |||||||||
Age | 127 | 0.02 | 0.8 | 127 | −0.08 | 0.3 | 127 | 0.004 | 0.9 |
PSA | 127 | −0.08 | 0.4 | 127 | −0.13 | 0.2 | 127 | 0.0001 | 0.9 |
African-American | |||||||||
Age | 97 | −0.22 | 0.03 | 100 | −0.15 | 0.1 | 100 | −0.17 | 0.1 |
PSA | 97 | 0.09 | 0.4 | 100 | −0.09 | 0.4 | 100 | 0.01 | 0.9 |
Combined African-Americanb | |||||||||
Overall | |||||||||
Age | 181 | −0.08 | 0.3 | 182 | −0.08 | 0.3 | 185 | −0.05 | 0.5 |
PSA | 181 | 0.01 | 0.9 | 182 | −0.03 | 0.7 | 185 | −0.02 | −.8 |
