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. 2010 Sep 1;19(11):1942–1947. doi: 10.1007/s00586-010-1559-7

Table 2.

Pearson’s correlations between measures of pain or bone mineral density levels and other variables (NRS numeric rating scale; r correlation coefficient)

Last recorded pain NRS score at
Day 15 Day 20 T-score L1–L4
r P r P r P
Bone mineral density L1–L4 (g/cm2) −0.220 0.056 −0.197 0.089 N/A N/A
T-score L1–L4 −0.214 0.063 −0.192 0.096
Z-score L1–L4 −0.156 0.178 −0.134 0.248
Age (years) 0.202 0.078 0.254 0.026 0.432 <0.001
Postmenopausal length (years) 0.288 0.011 0.313 0.006 0.351 0.002
Weight (kg) 0.021 0.867 0.105 0.405 0.407 0.001
Height (cm) −0.043 0.735 0.020 0.877 0.365 0.003
Body mass index (kg/m2) 0.040 0.750 0.113 0.372 0.283 0.022
Pain NRS score at admission 0.454 <0.001 0.386 <0.001 −0.097 0.401
Length of hospital stay (days) 0.407 <0.001 0.365 0.001 −0.156 0.176
Last recorded pain NRS score
 At day 15 1.000 N/A −0.214 0.063
 At day 20 0.908 <0.001 1.000 N/A −0.192 0.096

Bold values indicate statistical significance