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Table 3 Analytical statistics (Kruskal–Wallis test, Wilcoxon signed rank test, ANOVA-type statistics and rank statistics) for Visus preoperative and at the time of follow up (6 months, postop)

From: Surgical management of submacular hemorrhage due to n-AMD: a comparison of three surgical methods

Groups

Time

DF

V/Stat.

Chi2

p

Rank means

N

RTE

type

A

–

–

389.5

–

0.013

–

–

–

Wilcox

B

–

–

527.0

–

0.057

–

–

–

Wilcox

C

–

–

129.5

–

0.013

–

–

–

Wilcox

–

Preop

2

–

2.41

0.300

–

–

–

Kruskal

–

Postop

2

–

4.13

0.127

–

–

–

Kruskal

Groups

–

1.81

2.20

–

0.116

–

–

–

ANOVA

–

Time

1.00

21.54

–

0.000

–

–

–

ANOVA

Groups

Time

2.00

0.84

–

0.432

–

–

–

ANOVA

A

–

–

–

–

–

92

68

0.44

Rank

B

–

–

–

–

–

107

94

0.51

Rank

C

–

–

–

–

–

118

46

0.56

Rank

–

Preop

–

–

–

–

120

104

0.58

Rank

–

Postop

–

–

–

–

91

104

0.44

Rank

A

Preop

–

–

–

–

111

34

0.53

Rank

A

Postop

–

–

–

–

73

34

0.35

Rank

B

Preop

–

–

–

–

116

47

0.55

Rank

B

Postop

–

–

–

–

98

47

0.47

Rank

C

Preop

–

–

–

–

133

23

0.64

Rank

C

Postop

–

–

–

–

102

23

0.49

Rank