Table 5

Effect of PND on EMG and PNTML

Anal Richness (range 1 to 6)

BC Richness (range 1 to 6)

Anal PNTML (msec)

Perineal PNTML (msec)


All subjects

74

74

74

74

Follow up less than 12 months or lost

39

39

39

39

Analysed cases(left and right)

70

61

70

51

Mean Before

2,70

2,23

3,38

5,63

Mean After

3,11

2,44

2,63

5,21

t-test p-value(one-tail)

0,00007

0,06989

0,00004

0,00816


Left and right values for each level (anal and perineal) were included in the same group. P-values at the bottom line correspond to one-tailed significance tests of the mean differences "before" versus "after".

Beco et al. BMC Surgery 2004 4:15   doi:10.1186/1471-2482-4-15

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