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Table 1 Summary of clinical and demographic features in the study population

From: Matrix metalloproteinase 28, a novel matrix metalloproteinase, is constitutively expressed in human intervertebral disc tissue and is present in matrix of more degenerated discs

Subject number Age (years), gender Thompson grade Vertebral levela Herniation Other information
Young subjects     
   1 17, female I Lumbar No Normal donor
   2 10, female I Lumbar No Normal donor
Adult subjects     
   3 21, male II L5 to S1 Yes Surgical patient
   4 50, male II L3 to L4 Yes Surgical patient
   5 46, male II L5 to S1 No Surgical patient
   6 41, male II L5 to S1 Yes Surgical patient
   7 18, female II L4 to L5 Yes Surgical patient
   8 30, male II L3 to L4 No Normal donor; liver cancer
   9 30, male III L4 to L5 Yes Surgical patient
   10 31, male III L5 to S1 Yes Surgical patient
   11 37, male III L5 to S1 Yes Surgical patient
   12 40, female III L4 to L5 No Surgical patient
   13 41, female III Lumbar No Normal donor
   14 38, male III L4 to L5 Yes Surgical patient
   15 40, female III L5 to S1 No Surgical patient
   16 56, female III L5 to S1 Yes Surgical patient
   17 42, male III L5 to S1 No Surgical patient
   18 33, female III L1 to L2 No Normal donor, pulmonary embolism
   19 37, male 3.5 L4 to L5 Yes Surgical patient
   20 41, male IV Lumbar No Normal donor, Hodgkin's lymphoma
   21 54, male IV L4 to L5 Yes Surgical patient
   22 65, female IV L1 to L2 No Surgical patient
   23 61, female V L4 to L5 No Surgical patient
   24 41, male V L4 to L5 No Surgical patient
   25 72, female V L5 to S1 Yes Surgical patient
   26 39, male V L5 to S1 No Surgical patient
   27 48, male V L3 to L4 No Surgical patient
   28 79, female V L4 to L5 Yes Surgical patient
   29 52, female V L5 to S1 No Surgical patient
  1. aL, lumbar; S, sacral.