Table 5: PMN chemotaxis in patients with head and neck cancer according to tumor site. The chemotaxis numbers present the mean number of migrated PMN per high-power field after counting 20 high-power fields ± standard deviation.

Tumor site

Number

Chemotaxis

All sites

33

112.0 ± 33.7

Oropharynx

9

106.3 ± 29.8

Larynx

5

108.2 ± 61.7

Salivary gland

4

117.5 ± 19.1

Other sites

15

112.2 ± 32.1