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Table 1 Comparison of the survival rate of completely immotile testicular spermatozoa before and after cryopreservation

From: A new insight into male fertility preservation for patients with completely immotile spermatozoa

Patients

Before cryopreservation

After cryopreservation

Survival index

No. of sperm (n)

No. of live sperm (n)

Survival rate (%)

No. of sperm (n)

No. of live sperm (n)

Survival rate (%)

1

104

71

68.27

111

75

65.57

0.99

2

109

94

86.24

120

79

65.83

0.76

3

118

67

56.78

115

58

50.43

0.89

4

130

93

71.54

115

73

63.48

0.89

5

121

69

57.02

46

18

39.13

0.69

6

107

61

57.01

117

55

47.01

0.82

7

87

48

55.17

74

26

35.14

0.64

8

104

58

55.76

108

43

39.81

0.71

9

105

63

60.00

81

38

46.91

0.78

10

109

60

55.05

102

36

35.29

0.64

11

104

58

55.75

108

43

39.81

0.71

12

119

64

53.78

136

48

35.29

0.66

13

136

76

55.88

117

50

42.74

0.76

14

100

50

50.00

83

36

43.37

0.87

15

143

87

60.84

132

73

55.30

0.91

16

135

62

45.93

119

44

36.97

0.80

17

113

57

50.44

121

47

38.84

0.77

18

122

51

41.80

108

34

31.48

0.75

19

134

62

46.27

116

42

36.21

0.78

20

129

75

58.14

131

65

49.62

0.85

21

145

81

55.86

140

68

48.57

0.87

22

154

83

53.90

146

65

44.52

0.83

23

137

59

43.07

122

39

31.97

0.74

24

131

57

43.51

120

46

38.33

0.88

25

121

49

40.50

106

32

30.18

0.75

Total

3017

1655

54.86

2794

1233

44.13

0.80