Research Article

Correlation between the Immune Checkpoint Inhibitors Prognostic Index and Outcomes in Nonsmall Cell Lung Cancer: A Multicentre Analysis

Table 5

The baseline characteristics according to ICPI groups in the chemotherapy cohort.

All patientsLow-risk ICPIModerately high-risk ICPI value
n = 84n = 48n = 36

Sex0.547
 Male65 (77.4)36 (75.5)29 (80.6)

Age (year)0.842
 ≥6529 (34.5)17 (35)12 (33)

Smoking status0.500
 Nonsmoker32 (38.1)20 (41.7)12 (33.3)
 Smoker52 (61.9)28 (58.3)24 (66.7)

Histology0.236
 Adenocarcinoma47 (56.0)25 (52.1)22 (61.1)
 Squamous33 (39.3)19 (39.6)14 (38.9)
 NSCLC-others4 (4.8)4 (4.8)0 (0)

KRAS alteration status0.588
 KRAS wild-type53 (63.1)28 (58.3)25 (69.4)
 KRAS-mutant4 (4.8)3 (6.3)1 (2.8)
 NA27 (32.1)17 (35.4)10 (27.8)

PD-L1 status
 Negative
 Positive
 NA

PS (ECOG)
 0-184 (100)48 (100)36 (100)
 ≥2000

Stage0.037
 I-II1 (1.2)0 (0)1 (2.8)
 IIIA5 (6.0)5 (10.4)0 (0)
 IIIB–IV78 (92.9)43 (89.6)35 (97)

Metastatic sites number0.042
 <232 (38.1)23 (47.9)9 (25.0)
 ≥ 252 (61.9)25 (52.1)27 (75)

Metastatic sites
 Live2 (2.4)1 (2.1)1 (2.8)0.836
 Bone17 (20.2)10 (20.8)7 (19.4)0.875
 Brain12 (14.3)5 (10.4)7 (19.4)0.242
 WBC (×109/L)7.41 ± 2.197.05 ± 1.967.87 ± 2.420.091
 ANC (×109/L)5.19 ± 1.914.62 ± 1.575.95 ± 2.070.001
 ALC (×109/L)1.44 ± 0.481.68 ± 0.421.13 ± 0.36<0.001
 MON (×109/L)0.48 (0.37–0.61)0.47 (0.37–0.57)0.50 (0.40–0.67)0.183
 RDW (%)13.2 (12.7–13.8)13.3 (12.7–14.0)13.1 (12.6–13.78)0.861
 PLT (×109/L)235 (183–297)230 (173–276)259 (190–361)0.054
 ALB (g/L)38.38 ± 4.8740.71 ± 3.6235.28 ± 4.62<0.001
 PLR171.6 (119.1–231.4)145.4 (108.4–180.0)237 (183.1–338.9)<0.001
 dNLR2.33 (1.77–3.06)1.95 (1.56–2.35)3.13 (2.39–3.97)<0.001

Disease response0.137
 CR000
 PR70 (83.3)37 (77.1)33 (91.7)
 SD14 (16.7)11 (22.9)3 (8.3)
 PD000
 NA

Response rates0.139
 ORR (%)83.877.191.7
 DCR (%)100100100