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Table 1 Demographics, Social, Psychiatric, and Pain History

From: Psychopathology predicts the outcome of medial branch blocks with corticosteroid for chronic axial low back or cervical pain: a prospective cohort study

  Psychopathology Group(N = 86)  
Variable Low (n = 37) Mod (n = 20) High (n = 29) Sig1
Age (mean, yrs.)(CI)4 64.0 (59.0–69.0) 56.4 (49.2–63.6) 58.7 (53.1–64.2) NS
Sex (% female) 59 76 63 NS
Work Status (% working)2 87 95 53 p = .003
WC/Lit (%yes)3 5 5 3 NS
Maritial Status (% married) 69 44 59 NS
Pain Duration (mean, yrs)(CI)4 6.1 (3.7–8.6) 7.9 (4.4–11.4) 7.1 (4.4–9.8) NS
Location (% low back) 82 90 93 NS
Previous Spine Surgery (% yes) 39 24 40 NS
Hx Smoking (% yes) 54 62 47 NS
Prescription Opioids (% yes) 36 33 73 p = .003
Baseline Pain Level (0–10)(CI)4 6.1 (5.6–6.7) 6.8 (6.0–7.5) 6.2 (5.6–6.8) NS
Facet Loading Signs (% yes) 38 35 22 NS
Paraspinal Tenderness (%yes) 44 47 48 NS
Depression Score (mean)(CI)4 4.6 (3.9–5.3) 7.7 (6.7–8.6) 11.6 (10.8–12.4) p = .0001
Anxiety Score (mean)(CI)4 4.8 (3.9–5.8) 8.3 (7.0–9.6) 13.2 (12.1–14.3) p = .0001
  1. 1 = Chi square and ANOVA analysis
  2. 2 = Working includes homemakers taking care of children and those retired
  3. 3 = Active workers' compensation or injury litigation case (unsettled)
  4. 4 = 95% Confidence Interval
  5. NS = nonsignificant