Table 4 SNK (Student-Newman-Keuls) *test for operative and postoperative variables in the RH ,LH, and OH Groups

Subset for α = 0.05

Operative time (min)

1

190.1600

1.000

2

256.2632

268.3846

0.582

Operative time (min) (remove setup time)

1

216.2632

190.1600

1.000

2

268.3846

0.239

Intraoperative blood loss (ml)

1

319.4737

1.000

2

476.9231

1.000

3

628.0000

1.000

Postoperative hospital stay(d)

1

7.2400

1.000

2

5.5263

4.6923

0.246

Time to oral intake(d)

1

3.0800

1.000

2

2.1579

1.9231

0.508

Time to off-bed activity(d)

1

2.8000

1.000

2

1.8421

1.6923

0.573

VAS score

1

4.8800

1.000

2

2.5236

2.3077

0.565