Group 1

Group 2

point 1 vs.

point 2

point 1 vs. point 3

point 2 vs. point 3

point 1 vs.

point 2

point 1 vs. point 3

point 2 vs. point 3

Total

p

d

0.001

0.92

0.015

0.49

0.686

0.29

<0.001

1.31

<0.001

1.24

0.090

0.07

Preparation of hygienic working

p

d

0.735

0.10

<0.001

0.96

0.004

0.84

0.766

0.14

<0.001

1.13

0.002

0.82

Preparation of sterile material

p

d

0.656

0.09

0.584

0.22

0.072

0.31

0.002

0.56

0.050

0.48

0.866

0.08

Putting in sterile gloves

p

d

0.549

0.11

0.317

0.15

0.378

0.28

0.189

0.12

0.001

0.69

<0.001

1.03

Wound desinfection

p

d

0.002

0.83

0.069

0.35

0.612

0.47

<0.001

0.90

<0.001

0.78

0.793

0.20

Covering wound with sterile drape

p

d

0.003

0.90

0.452

0.16

0.028

0.76

<0.001

1.36

<0.001

0.97

0.068

0.45

Group 3

Group 4

Total

p

d

<0.001

1.29

<0.001

0.99

0.966

0.22

0.009

0.69

<0.001

0.74

0.134

0.14

Preparation of hygienic working

p

d

0.621

0.06

<0.001

1.25

<0.001

1.25

0.607

0.20

<0.001

0.75

<0.001

0.99

Preparation of sterile material

p

d

0.267

0.23

0.007

0.57

0.094

0.44

0.197

0.19

<0.001

0.76

0.006

0.61

Putting in sterile gloves

p

d

0.033

0.32

0.106

0.27

0.941

0.06

0.202

0.39

0.665

0.12

0.225

0.49

Wound desinfection

p

d

<0.001

0.98

0.002

0.64

0.337

0.36

0.030

0.58

0.088

0.36

0.302

0.34

Covering wound with sterile drape

p

d

<0.001

1.57

<0.001

0.70

0.001

0.69

0.020

0.65

0.240

0.27

0.431

0.41