Skip to main content

Table 2 Comparison of single block and dual block assessment in total patients

From: Dual block HER2 assessment increased HER2 immunohistochemistry positive rate in resected specimens of gastric cancer: a prospective multicenter clinical trial from China

HER2 status

Block1

Block2

Dual-block

P value (Block1 vs Dual-block)

P value (Block2 vs Dual-block)

HER2 3+, n (%)

298 (7.8)

295 (7.8)

358 (9.4)

P < 0.001

P < 0.001

HER2 2+, n (%)

773 (20.3)

797 (20.9)

982 (25.8)

P < 0.001

P < 0.001

HER2 0/1+, n (%)

2735 (71.9)

2714 (71.3)

2466 (64.8)

P < 0.001

P < 0.001