Skip to main content

Table 2 Statistical analysis results

From: Clinical efficacy of radical nephrectomy versus nephron-sparing surgery on localized renal cell carcinoma

Subgroup of tumor size

Sample size

No. of studies

Meta-analysis

Test of heterogeneity

Egger's test

Case

Control

OR (95% CI)

Pvalue

Pvalue

I2(%)

Pvalue

Cancer-specific death

Overall

6,275

2,457

5 [6],[16],[19],[20],[23]

1.58 (1.15 to 2.15)

0.004

0.22

30.0

0.27

≤4.0 cm

3,930

1,191

4 [6],[16],[19],[23]

1.86 (1.11 to 3.13)

0.002

0.17

41

>4.0 cm

2,345

1,266

1 [20]

1.36 (1.01 to 1.85)

0.04

Tumor recurrence

Overall

3,701

1,857

5 [15],[16],[18]-[20]

0.84 (0.67 to 1.06)

0.14

0.43

0.0

0.58

≤4.0 cm

1,290

558

3 [15],[16],[19]

0.67 (0.27 to 1.64)

0.38

0.16

45

>4.0 cm

2,411

1,299

2 [18],[20]

0.87 (0.36 to 2.11)

0.76

0.68

0

Complications

Overall

826

682

6 [15],[17]-[19],[21],[22]

0.91 (0.51 to 1.63)

0.74

<0.01

71.0

0.76

≤4.0 cm

488

477

3 [15],[19],[21]

1.10 (0.31 to 3.92)

0.88

0.0004

87

>4.0 cm

265

191

2 [17],[18]

0.71 (0.44 to 1.13)

0.15

0.88

0