Table 1

Copy number ratios in 39 normal samples and 39 tumor samples

Tissue source (no. of cases)Taq Man PCR (erbB-2/p53)Southern (erbB-2)
Barrett’s metaplasia (2)
 10.8
 21.3
 Mean ± SD1.1 ± 0.4
 Range0.8–1.3
Gastric, normal (9)
 10.9
 21.0
 31.0
 41.1
 51.1
 61.1
 71.1
 81.1
 91.2
 Mean ± SD1.1 ± 0.1
 Range0.9–1.2
Esophagus, normal (28)
 10.7
 20.8
 30.8
 40.8
 50.8
 60.8
 70.8
 80.9
 90.9
 100.9
 110.9
 120.9
 130.9
 141.0
 151.0
 161.0
 171.0
 181.0
 191.1
 201.2
 211.3
 221.3
 231.4
 241.5
 251.7
 261.8
 271.8
 282.0
 Mean ± SD1.1 ± 0.4
 Range0.7–2.0
Tumors (39)
 10.81
 20.91
 30.91
 41.01
 51.01
 61.01
 71.01
 81.11
 91.11
 101.11
 111.11
 121.21
 131.21
 141.31
 151.31