Table 11 Comparison of current study to results of Checkmate and Keynote studies

From: Immunohistochemical detection of PD-L1 among diverse human neoplasms in a reference laboratory: observations based upon 62,896 cases

Study

Description

Current study group/antibody–scoring

χ 2

P-value

Keynote 59

Gastroesophageal carcinoma

Gastroesophageal carcinomas/22C3-CPS

142

 < 0.00001

Keynote 21

Lung cancer

Lung cancer/22C3-TPS

5

0.07

Keynote 10

Previously treated NSCLC

Lung cancer/22C3-TPS

103

 < 0.0001

Checkmate 275

Urothelial cancer

Urothelial cancer/28-8-tumor cell expression

0.6

0.81

Checkmate 57

Metastatic lung cancer

Lung cancer/22C3-TPS

0.7

0.40

 

Metastatic lung cancer

Metastases/22C3-TPS

5.9

0.01

Checkmate 141

Recurrent or metastatic squamous cell carcinoma

Squamous cell carcinoma/28-8 tumor cells

4.3

0.04

Checkmate 67

Melanoma

Melanoma/28-8 tumor cells

0.7

0.39

Checkmate 238

Adjuvant therapy for melanoma

Melanoma/28-8 tumor cells

24

 < 0.00001

  1. CPS combined positive score; TPS tumor proportion score