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Table 3 Comparison of patients’ outcomes according to time points

From: Safety and tolerability of intradiscal implantation of combined autologous adipose-derived mesenchymal stem cells and hyaluronic acid in patients with chronic discogenic low back pain: 1-year follow-up of a phase I study

  VAS ODI
  Mean P value_WSR P value_paired t Mean P value_WSR P value_paired t
Baseline–1 week 0.5 0.4766 0.5212 -10.6 0.0977 0.00489
Baseline–1 month 1.9 0.0098 0.0044 11.6 0.002 0.0014
Baseline–3 months 2.15 0.0156 0.014 11.09 0.0117 0.006
Baseline–6 months 3.3 0.0039 0.0008 21.52 0.002 0.0016
Baseline–9 months 3.4 0.0039 0.0012 22.72 0.002 0.0002
Baseline–12 months 3.6 0.002 0.0003 26.02 0.002 0.0004
Baseline–mean of each visit 2.475 0.0039 0.001 13.725 0.002 0.0018
  1. VAS visual analogue scale, ODI Oswestry Disability Index, WSR Wilcoxon signed-rank test