Variables | Groups | Test statistics^{†} | ||||
---|---|---|---|---|---|---|

Control | Intervention | |||||

M | IQR | M | IQR | z | P-value | |

VAS | ||||||

0 hour | 2.0^{a} | 2.0 | 3.0^{a} | 1.0 | 2.285 | 0.022 |

2 hours | 5.0^{b} | 2.0 | 1.0^{b} | 1.0 | 7.759 | <0.001 |

4 hours | 7.0^{c} | 2.0 | 1.0^{b} | 2.0 | 8.663 | <0.001 |

Test statistics^{‡} | χ^{2}=105.507; p<0.001 | χ^{2}=58.468; p<0.001 |

M: Median, IQR: interqurtile rate, distance between quartiles, superscripts a, b, and c show the difference between measures in each group. Measurements with the same letters are statistically similar. z: Mann-Whitney U test, χ^{2}: Friedman analysis