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. 2019 Mar 1;14(3):e0213195. doi: 10.1371/journal.pone.0213195

Table 3. Number of cats receiving rescue analgesia at each time point during the study.

Group Day 1 (postoperative) Day 2 Day 3 Days 4, 5, 6 Total p value
0.5 h 1 h 2 h 3 h 4 h 6 h 8 h
Minimal 0 0 0 0 0 0 0 0 0 0 0 (0%) < 0.0001
Severe 0 2 1 2 5 2 2 5 2 0 21 (91.7%)