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Table 2 Subgroup analysis results of NLR and ovarian cancer survival (OS and PFS)

From: Prognostic value of systemic inflammatory markers in ovarian Cancer: a PRISMA-compliant meta-analysis and systematic review

Subgroup Analysis

Univariate analysis

Heterogeneity P1 value

Multivariate analysis

Heterogeneity P2 value

NO.

ES (95% CI)

NO.

ES (95% CI)

NLR for OS

8

2.21 (1.95-2.52)

0.000

8

1.34 (1.16-1.54)

0.004

Subgroup 1: cut-off

 >  200

5

2.26 (1.97-2.59)

0.000

5

1.32 (1.14-1.52)

0.060

 ≤ 200

3

1.82 (1.20-2.76)

0.012

3

1.78 (0.95-3.32)

0.004

Supgroup 2: sample size

 >  200

3

2.24 (1.92-2.61)

0.000

3

1.35 (1.12-1.63)

0.142

 ≤ 200

5

2.16 (1.70-2.74)

0.033

5

1.32 (1.07-1.64)

0.002

 NLR for PFS

5

2.22 (1.92-2.57)

0.000

 

1.36 (1.17-1.57)

0.024

Subgroup 1: cut-off

 >  200

3

3.17 (2.63-3.83)

0.000

 

1.36 (1.17-1.58)

0.114

 ≤ 200

2

1.28 (1.01-1.62)

0.012

 

1.34 (0.74-2.44)

0.009

Supgroup 2: sample size

 >  200

1

5.09 (3.89-6.68)

/

 

1.33 (1.14-1.55)

0.098

 ≤ 200

4

1.58 (1.32-1.88)

0.004

 

1.62 (1.02-2.59)

0.020