Comparison of lymphocyte immunophenotypes in blood and lymph node aspirates determined on the personal and conventional flow cytometer: linear regression plots. Results for cell types (%) obtained by the Guava and the conventional analyzers. Regression line and 95% confidence interval. (A-C) % CD3+, % CD21+ and collectively % CD3+ and % CD21+ in peripheral blood samples. (D-F) % CD3+, % CD21+, and collectively % CD3+ and % CD21+ in lymph node aspirates. (G-I) % CD3+, % CD21+ and collectively % CD3+ and % CD21+ in all peripheral blood and lymph node samples.