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Table 3 Summary of the correlation between DLL3 expression and the clinical characteristics of patients with SCLC

From: Potential prognostic value of delta-like protein 3 in small cell lung cancer: a meta-analysis

Clinical characteristics

No. of studies

I2 (p)

RR (95% CI)

P value

Sex (male/female)

3

0.0% (0.798)

1.33 (0.98, 1.80)

0.064

Smoking history(non/yes)

3

72.1% (0.028)

1.01 (0.58, 1.75)

0.967

Distant metastasis (negative/positive)

2

44.7% (0.179)

0.84 (0.71, 0.99)

0.039

Tumour stage (I-II/III-IV)

3

66.6% (0.050)

0.68 (0.44, 1.05)

0.081

  1. SCLC small cell lung cancer, RR relative ratios, 95% CI 95% confidence intervals, DLL3 delta-like protein 3, I2 percentage heterogeneity between studies, p test for heterogeneity