Histologic Feature n = 19 | HME n = 6 | RMSF n = 5 | P HME vs. RMSF | Controls n = 8 | P HME vs. controls | P RMSF vs. controls |
---|---|---|---|---|---|---|
Cellularity | 11.5 (1–17) | 4 (2–8) | .063 | 13.5 (7–19) | .245 | .002 |
Phagocytic activity | 15 (3.5–19) | 13 (3.5–17) | .268 | 3.5 (3.5–12) | .015 | .033 |
Necrosis | 10.75 (2.5–18) | 10.5 (2.5–13) | .396 | 10.5 (3–19) | .377 | .584 |
Congestion/edema | 11.5 (2–19) | 8 (2–18) | .396 | 11.5 (2–17) | .638 | .262 |
Bacterial load* | 1.3 | 3.0 | .003 | 1.5 | .447 | .025 |
Immunohistologic feature | HME [n] | Controls [n]*** | P HME vs. controls | |||
CD68 [n = 9] | 7 [5] (1–10) | 3.5 [4] (2–8) | .143 | |||
CD4 [n = 8**] | 5 [4**] (3–9) | 6 [4] (2–8) | 1.000 | |||
CD8 [n = 9] | 8 [5] (6–10) | 2.5 [4] (1–5) | .008 | |||
CD20 [n = 7**] | 6 [3**] (3–8) | 3.5 [4] (1–7) | .288 |