Parameters

Controls

CD44sol ng/mL No. (%)mean (SD)

Cases

CD44sol ng/mL No. (%)mean (SD)

p value

Sex Male Female p value

32 (80%)8.8 (7) 8 (20%)9.9 (8.6) 0.79

89 (96.7%)32.2 (27.4) 3 (3.3%)7.4 (4.4) 0.1225

0.001 0.6693

Smoking habits Strong >20 cig/day Moderate £ 20 cig/day Never or ex-smokers >10 (years) p value

30 (75%)10.1 (6.3) 6 (15%)1.5 (0.3) 4 (10%)12.1 (14)

0.125

64 (69.5%)35.2 (28) 18 (19.5%)14.5 (11.8) 10 (11%)37.1 (33)

0.013

0.001 0.0773 0.3314

Drinking habits >2 drinks/day No or £ 2 drinks/day p value

18 (45%)9.3 (7.3) 22 (55%)8.8 (7.2) 0.8797

46 (50%)25.6 (14.8) 46 (50%)37.2 (35) 0.0413

0.0023 0.0102

Total

409 (7.1)

9231.4 (27.3)

0.0004

Table 1: Demographic data, risk factors, and CD44sol data for cases and controls.