Table 4 Effect size of haptic feedback on accuracy across subgroups.

From: The benefits of haptic feedback in robot assisted surgery and their moderators: a meta-analysis

Group

Observations

Hedge’s g

95% CI

p-value

Q-value

Overall

25

1.50

1.07 to 1.92

 < 0.01

 

Expertise

 Experienced

2

2.78

0.65 to 4.90

0.01

 

 Novice

9

1.20

0.61 to 1.78

 < 0.01

 Inexperienced

9

1.87

1.07 to 2.67

 < 0.01

 Total between

3

  

0.20

3.23

Task

 Insertion

7

2.12

0.68 to 3.57

 < 0.01

 

 Laser

4

2.14

0.97 to 3.31

 < 0.01

 Palpation

4

1.30

0.57 to 2.03

 < 0.01

 Scan

1

1.11

0.39 to 1.82

 < 0.01

 Section

2

1.62

0.59 to 2.65

 < 0.01

 Suturing

3

1.34

− 0.11 to 2.80

0.07

 Tracing

4

0.63

0.20 to 1.05

 < 0.01

 Total between

7

  

0.09

10.98

FB type

Observations

Hedges’ g

95% CI

p-value

Q-value

Cutaneous

2

1.25

0.00 to 2.49

0.05

 

Kinesthetic

16

1.30

0.75 to 1.84

 < 0.01

Vibrotactile

5

2.40

1.08 to 3.73

 < 0.01

Combined

2

1.40

− 0.12 to 2.93

0.07

Total between

4

  

0.50

2.39

VF vs. CF

 Contact Force

12

1.76

1.06 to 2.45

 < 0.01

 

 Virtual fixture

13

1.28

0.78 to 1.78

 < 0.01

 Total between

2

  

0.28

1.19

  1. Significant values are in [bold].