Table 1

Baseline characteristics by treatment assignment

Dry needling group (n=19)Placebo needling group (n=18)Control group (n=19)
Age (years)21.4±1.821.7±2.121.3±2.3
Weight (kg)56.4±7.557.0±9.658.8±7.7
Height (cm)164.1±7.2163.4±4.6165.6±4.0
Body mass index (kg/cm2)21.0±1.921.3±3.221.0±2.6
Mean pain intensity (VAS, 0–100)65.4±19.465.5±13.162.1±14.3
Days with menstrual pain2.3±1.12.3±1.52.5±0.8
Taking NSAIDs (yes/no) n (%)16 (84%)/3 (16%)14 (77.5)/4 (22.5%)15 (78.9)/4 (21.1)
Number of NSAIDs taken4.7±3.94.1±2.94.2±5.6
Use of contraceptive (yes/no) n (%)6 (31.5%)/13 (69.5%)4 (22.5%)/14 (77.5%)6 (31.5%)/13 (69.5%)
PCS SF-36 (0–100)50.7±6.952.0±4.551.5±6.2
MCS SF-36 (0–100)51.5±6.053.3±4.148.1±8.3
  • MCS, Mental Component Score; NSAIDs, non-steroidal anti-inflammatory drugs; PCS, Physical Component Score; VAS, visual analogue scale.