Table 3 Meta-analysis of subgroup analysis
Indicator | Number of included studies | I2(%) | The model of meta-analysis | HR (95%CI) | P Value |
|---|---|---|---|---|---|
NLR on OS in SCLC patients | |||||
LS-SCLC | 4 | 66.2 | R | 1.56 (1.15–2.16) | < 0.001 |
ES-SCLC | 3 | 16.8 | F | 1.51 (1.21–1.73) | < 0.001 |
P-SCLC | 9 | 56.6 | R | 1.41 (1.20–1.69) | < 0.001 |
C-SCLC | 2 | 0 | F | 1.46 (1.23–1.66) | < 0.001 |
Asia | 7 | 61.8 | R | 1.39 (1.13–1.81) | < 0.001 |
Non-Asia | 4 | 0 | R | 1.43 (1.32–1.61) | < 0.001 |
NLR cutoff value ≥ 4 | 6 | 47.8 | F | 1.47 (1.31–1.63) | < 0.001 |
NLR cutoff value < 4 | 5 | 71.1 | R | 1.39 (0.99–1.97) | 0.065 |
PLR on OS in SCLC patients | |||||
LS-SCLC | 2 | 0 | F | 1.63 (1.26–2.12) | 0.091 |
ES-SCLC | 3 | 81.1 | R | 1.16 (0.79–1.71) | 0.361 |
PLR cutoff value ≥ 160 | 3 | 56.1 | R | 0.95 (0.76–1.22) | 0.551 |
PLR cutoff value < 160 | 2 | 5 | 7 | 1.76 (1.26–2.21) | < 0.001 |