highly significantP <0.0001
In a study involving 111 patients with primary malignant melanomas, 71 (64%) were shown to express β 3-integrins ( Hieken et al , 1999 ), and these individuals were more likely to develop lung metastasis and to die of their disease (45% (32 of 71 patients)) than were those with β 3-integrin-negative tumours (8% (three of 40 patients)), a finding that was highly significant ( P <0.0001).