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Table 3 Results of the analysis of covariance (ANCOVA) for operative time

From: Outcomes of cesarean myomectomy in Singleton compared with twin pregnancies: a 10-year retrospective cohort study

Source

Degree of freedom

Sum of squares

Partial η²*

F

p-value

Post-hoc power

Singleton/Twin

1

2,501

0.05

4.679

0.0331**

0.5999

Age (years)

1

2,198

0.04

4.111

0.0455**

0.5036

Primipara

1

831

0.02

1.555

0.2156

0.2807

Gestational hypertension

1

2,734

0.05

5.114

0.0261**

0.5999

Placenta previa or accreta spectrum

1

10

0.000207

0.019

0.8899

0.0522

Emergency operation

1

187

0.00375

0.350

0.555

0.0910

Residuals

93

49,712

    
  1. The dependent variable was operative time
  2. *Partial η² represents the effect size, indicating the relative effect of each independent variable on the dependent variable in the ANCOVA results. The “effect size” package in R was used for this analysis
  3. **Statistical significance is indicated at the 0.05 alpha level
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BMC Surgery

ISSN: 1471-2482

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