Skip to main content

Table 6 Patient tumor and combined frequency of PD-1 expression

From: Stratification of ovarian tumor pathology by expression of programmed cell death-1 (PD-1) and PD-ligand- 1 (PD-L1) in ovarian cancer

  No. Patients 0 1 2 3 4 P-value
   aCombined PD-1 Level, n (%)  
Stage of cancer        
 I-II 9 0 (0.0) 0 (0.0) 6 (66.7) 1 (11.1) 2 (22.2) 0.028
 III-IV 46 7 (15.2) 8 (17.4) 23 (50.0) 7 (15.2) 1 (2.2)
Tumor grade        
 1–2 13 1 (7.7) 4 (30.8) 7 (53.8) 0 (0.0) 1 (7.7) 0.54
 3 41 6 (14.6) 4 (9.8) 21 (51.2) 8 (19.5) 2 (4.9)
  1. aCombined PD-1 was derived by adding the observed pathology scores for tumor PD-1 (T-PD-1) and S-PD-1 in each patient tumor section. Significant P-value in table is indicated in italics