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.