Table 2.

Patient characteristics of the discovery cohort, according to KIR3DS1/L1 status

CharacteristicKIR3DL1/L1 (N = 20)KIR3DS1/L1 (N = 15)P
Median age, year (range)61 (49–83)61 (35–75)0.43a
Male sex, n (%)10 (50)11 (73.3)0.30b
Histology, n (%)
 Nonsquamous17 (85)13 (86.6)>0.99b
 Squamous3 (15)2 (13.4)
Smoking history, n (%)
 Yes17 (85)11 (73.3)0.43b
 No3 (15)4 (26.7)
ECOG status, n (%)
 0–115 (75)12 (80)>0.99b
 2–35 (15)3 (20)
PD-L1 status, n (%)
 Negative6 (30)8 (53.3)0.11c
 1–50%5 (25)2 (13.4)
 >50%5 (25)0 (0)
 Missing4 (20)5 (33.3)
  • aStudent t test.

  • bFisher exact test.

  • cχ2 test.