Parameters

No. (%)

CD44sol ng/mL mean (SD)

p value

Site Supraglottic Glottic

28 (36.8%) 48 (63.2%)

35.6 (30) 38 (24.9)

0.703

Histological grade Well differentiated Moderately differentiated Poorly differentiated

  10 (13.1%) 46 (60.5%) 20 (26.4%)

42.5 (29) 37 (22.7) 34.8 (34)

0.763

Tumor size T1 T2 T3 T4

30 (39.5%) 28 (36.8%) 14 (18.4%) 4 (5.3%)

32.3 (23.3) 39.7 (29) 44.6 (30) 29.9 (22.4)

0.461

Lymph node status pN0 pN+

54 (71%) 22 (29%)

35.6 (24.5) 40.8 (31.9)

0.446

Clinical stage Early clinical stage (I–II) Advanced clinical stage (III–IV)

42 (55.3%) 34 (44.7%)

32.3 (20.5) 43.2 (32.2)

0.09

Table 2: Mean levels of salivary CD44sol according to tumor features.