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Table 1: 
Length of cord edema in patients with short-interval follow-up MR imaging
PatientAgeTime (h)Edema Length (U)Change in Length*Intervening Procedure
Injury to MRI 1MRI 1 to MRI 2MRI 1MRI 2
14623.5141214+2Closed reduction
2838.25401216+4Closed reduction
3679.555612+6Open reduction
45837.5601015+5None
58418.75110510+5Open reduction
  • * Paired t test demonstrates a significant increase (t = −6.5, P = .003) in edema length. Mean change in edema length was 4.4 U (95% CI, 2.5–6.3).