Observational Study
Copyright ©The Author(s) 2020.
World J Orthop. Mar 18, 2020; 11(3): 158-166
Published online Mar 18, 2020. doi: 10.5312/wjo.v11.i3.158
Table 4 The median value, quartiles and Mann-Whitney U test comparing men and women for pressure pain threshold measurement pre and post prolonged flexed lumbar sitting posture
VariablesPre-test
Post-test
Gender difference in change in PPT between pre and post (P value)
Women median (quartiles)Men median (quartiles)P valueWomen median (quartiles)Men median (quartiles)P value
L1-L2353 (314, 434)405 (358, 518)0.14295 (236, 346)340 (284, 441)0.090.96
L2-L3319 (271, 416)379 (337, 521)0.09286 (219, 347)322 (288, 470)0.080.92
L3-L4299 (281, 400)370 (320, 453)0.16261 (229, 338)331 (264, 453)0.090.88
L4-L5306 (265, 395)321 (299, 474)0.25233 (214, 351)302 (275, 479)0.120.13
All variables (L1-L2, L2-L3, L3-L4 and L4-L5)331 (288, 403)366 (298, 400)0.10269 (227, 344)322 (285, 455)0.100.55