Skip to main content

Table 3 Changes in pinprick sensitivity over time

From: Effect of lumbar spinal manipulation on local and remote pressure pain threshold and pinprick sensitivity in asymptomatic individuals: a randomised trial

  Mean PPS, 11-point NRS (SD) Difference compared to baseline, 11-point NRS (% change) p-value (effect size), compared to baseline
Calf
 Baseline 4.6 (2.3) - -
 Immediate 4.6 (2.1) −0.02 (−0.4 %) .94 (.000)
 10 min 4.5 (2.4) −0.1 (−3.2 %) .51 (.01)
 20 min 4.1 (2.2) −0.5 (−11.5 %) .04* (.13)
 30 min 4.0 (2.2) −0.6 (−13.6 %) .02* (.16)
Lumbar Spine
 Baseline 4.8 (1.9) - -
 Immediate 4.1 (2.1) −0.6 (−13.4 %) .003* (.24)
 10 min 3.9 (2.3) −0.9 (−18.0 %) .001* (.30)
 20 min 4.0 (2.0) −0.8 (−17.1 %) .001* (.29)
 30 min 3.7 (2.2) −1.1 (−22.5 %) .000* (.42)
Scapula
 Baseline 3.9 (1.9) - -
 Immediate 3.6 (2.1) −0.3 (−6.7 %) .28 (.04)
 10 min 3.4 (1.9) −0.5 (−12.4 %) .03* (.15)
 20 min 3.5 (2.1) −0.4 (−9.8 %) .04* (.13)
 30 min 3.5 (2.0) −0.3 (−8.8 %) .11 (.08)
Forehead
 Baseline 4.8 (2.1) - -
 Immediate 4.7 (2.2) −0.1 (−2.7 %) .45 (.02)
 10 min 4.3 (2.0) −0.5 (−10.8 %) .04* (.13)
 20 min 4.1 (2.0) −0.7 (−14.8 %) .007* (.20)
 30 min 4.2 (2.3) −0.6 (−13.1 %) .05* (.12)
  1. Abbreviations: PPS pinprick sensitivity, NRS numerical rating scale, SD standard deviation, * = p ≤ .05. Note: effect size reported as partial eta squared (ƞP 2)