Table 6 Expression of CD8+ T cells and tumor mutation burden.

From: PD-L1 expression and its correlation with tumor biomarkers in Chinese urothelial bladder cancer

Variable

Total (n = 229)

Percentage of CD8+ T cells, %

 Mean (SD)

6.1 (8.8)

 Median (Q1, Q3)

3.0 (1.0, 7.0)

Percentage of CD8+ T cells category, n (%)

 CD8+ High (> median value 3.0%)

102 (44.5)

 CD8+ Low (≤ median value 3.0%)

126 (55.0)

 Missing

1 (0.4)

TMB, Mut/Mb

 Mean (SD)

14.1 (11.1)

 Median (Q1, Q3)

11.0 (7.2, 17.6)

TMB category, n (%)

 TMB high (> 10 mut/Mb)

124 (54.1)

 Non- TMB high (≤ 10 mut/Mb)

92 (40.2)

 Missing

13 (5.7)

  1. N, Number of subjects in the analysis population; n, number of subjects in specified category; Q1, lower quartile; Q3, upper quartile; SD, standard deviation; TMB, tumor mutation burden.