Table 2

Pain intensity at baseline and in the first hour after treatment

Overall model F-value=14.47 (p<0.001)
Mixed-effect model for different treatment groups
Treatment groupsMean differenceSET-valueUnadjusted significanceScheffe adjustedTukey-Kramer adjusted
A vs B−0.7080.338−2.0950.0370.1130.093
A vs standard1.1130.343.2690.0010.0050.003
B vs standard1.8210.3415.341<0.001<0.001<0.001
  • Group A: Saline in Spleen 6 (SP6) bilaterally and in the buttock (active control for vitamin K).

  • Group B: Vitamin K off-point bilaterally and in the buttock (active control for point location).

  • Group C: Vitamin K in SP6 bilaterally and in the buttock (standard at the Menstrual Disorder Centre).