Epidural
(N=12)
PCA
(N=9)
PCA+Dex
(N=18)
PCA+Dex+Gabapentin (N=23) Total
(N=62)
  p value
LengthofStay(days)             0.8143
N 12 9 18 23 62 62  
Mean(SD) 6.0(2.95) 5.7(1.22) 5.4(1.29) 5.5(1.38) 5.6(1.72) 5.6(1.72)  
Range (4.0-15.0) (4.0-8.0) (4.0-8.0) (4.0-10.0) (4.0-15.0) (4.0-15.0)  
Returntobowelfunction(days)             0.8707
N 12 9 18 23 62 62  
Mean(SD) 3.6(1.24) 3.3(0.71) 3.7(1.28) 3.4(1.37) 3.5(1.22) 3.5(1.22)  
Range (2.0-6.0) (2.0-4.0) (2.0-7.0) (2.0-7.0) (2.0-7.0) (2.0-7.0)  
SD: Standard Deviation; PCA: Patient Controlled Analgesia; Dex: Dexmedetomidine
Table 4: Duration of Hospitalization and Return of Bowel Function.