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Table 2 Pain Sensitivity Data

From: Algometry with a clothes peg compared to an electronic pressure algometer: a randomized cross-sectional study in pain patients

Variable

All patients (n = 157)

Orthopaedic patients (n = 70)

Medical-psychosomatic patients (n = 87)

Patients retested (n = 47)

    

1 st measure

2 nd measure

finger PPdt (kPa)1)

197 (103)

188 (122-252)

214 (77)

205 (151-274)

183 (119)

152 (99-243)

164 (96)

145 (95-232)

165 (101)

159 (87-222)

ear PPdt (kPa)2)

147 (78)

137 (94-196)

154 (62)

142 (107-195)

142 (91)

128 (75-196)

116 (73)

109 (62-155)

129 (75)

123.2 (85-172)

finger PPtt (kPa)

376 (163)

348 (269-495)

366 (104)

344 (297-438)

384 (200)

359 (216-526)

323 (162)

329 (193-434)

311 (146)

312 (192-410)

clothespin finger (NRS score)1)

2.8 (2.5)

2.0 (1.0-4.0)

1.8 (1.3)

2.0 (1.0-2.0)

3.6 (2.9)

3.5 (1.0-5.5)

4.1 (2.7)

3.5 (2.0-6.0)

4.3 (3.0)

4.0 (2.0-7.5)

clothespin ear (NRS score)2)

5.6 (2.8)

5.0 (3.0-8.0)

4.4 (2.1)

4.5 (2.8-6.0)

6.6 (2.9)

7.0 (4.5-9.0)

6.9 (2.7)

7.5 (5.0-9.0)

6.9 (2.8)

7.5 (5.0-9.5)

  1. NRS = Numerical pain rating scale; kPa = kilo Pascal; PPdt = Pain pressure detection threshold; PPtt = Pain pressure tolerance threshold
  2. All values are given as mean (SD) and median (interquartile range)
  3. 1) Mean value of left and right middle fingers
  4. 2) Mean value of left and right ear lobes