Table 1. Quantitative analysis of intravasation, extravasation, and pH.
Control | Bicarbonate | P* | |||
---|---|---|---|---|---|
(A) Intravasation | |||||
n | Mean (range) | n | Mean (range) | ||
Manual (no. of cells) | 3 | 0 (0) | 7 | 1.3 (0–7) | NS |
Fluorescence (AUF) | 3 | 124 (70–180) | 7 | 746 (0–4,358) | NS |
Flow (cells/100 μL) | 8 | 3.6 (0–13) | 8 | 1.5 (0–10) | NS |
(B) Extravasation | |||||
n | Mean (SE) | n | Mean (SE) | P | |
Liver | 3 | 109.0 (46.0) | 3 | 11.9 (10.3) | 0.007 |
Spleen | 3 | 231.6 (3.6) | 3 | 608.0 (56.0) | 0.011 |
Ratio | 3 | 0.54 (0.25) | 3 | 0.035 (0.020) | <0.001 |
(C) pH and growth data from window chambers | |||||
n | Mean (SE) | n | Mean (SE) | P | |
Intratumor pHe | 4 | 7.00 (0.04) | 3 | 7.07 (0.03) | 0.19 |
Peritumor pHe | 4 | 7.06 (0.00) | 3 | 7.16 (0.03) | 0.05 |
Distant pHe | 4 | 7.11 (0.03) | 3 | 7.15 (0.03) | 0.14 |
ΔDiameter | 4 | −2.07 (13.32) | 3 | −5.88 (2.51) | 0.39 |
ΔDensity | 4 | 0.71 (0.26) | 3 | −3.29 (1.07) | 0.002 |
NOTE: See Materials and Methods for experimental and analytic details.
Abbreviations: AUF, arbitrary units of fluorescence; NS, not significant.
P value from nonpaired Student's t test.