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. 2019 Jun;63(6):437–443. doi: 10.4103/ija.IJA_745_18

Table 2.

Comparison of NRS for pain at rest, between the study groups

Hours after surgery NRS score P

Group SC Group PP
1 3.20±3.27 0.96±2.24 0.007*
2 2.80±2.48 1.72±1.79 0.084
3 2.52±1.71 2.08±1.63 0.357
4 2.72±1.86 2.44±1.87 0.598
5 2.40±2.16 2.00±1.38 0.440
6 2.72±1.88 2.40±1.44 0.503
12 2.76±1.76 2.20±1.41 0.221
24 2.64±1.96 2.08±1.53 0.264
36 1.32±1.35 1.60±1.50 0.491
48 1.20±1.22 0.96±1.10 0.469

NRS-Numerical rating scale; SC-Subcutaneous; PP-Preperitoneal; NRS scores expressed as mean±SD.*P<0.05–significant