Eventually , there were no significant differences between TN and PO regarding the overall procedure discomfort ( scores of 10.7 6.6 vs. 11.1 7.8 scores , p = 0.9 ) , satisfaction ( scores of 41.2 4.2 vs. 41.3 4.6 , p = 0.91 ) , and acceptability ( 87.8 % vs. 94.2 % , p = 0.91 ) .