©The Author(s) 2025.
World J Orthop. Oct 18, 2025; 16(10): 110233
Published online Oct 18, 2025. doi: 10.5312/wjo.v16.i10.110233
Published online Oct 18, 2025. doi: 10.5312/wjo.v16.i10.110233
Table 2 Total pain reduction scales at different time points in both the groups, n (%)
| Postoperative TOTPAR at different time points | TOTPAR (pain reduction) | Tapentadol (n = 44) | Placebo (n = 46) | Fisher’s exact (P value) |
| TOTPAR at 2 hours | Complete | 40 (91) | 25 (55) | 0.020 |
| Mild | 3 (5) | 10 (26) | ||
| Moderate | 1 (2) | 7 (18) | ||
| None | 0 (0) | 4 (1) | ||
| TOTPAR at 4 hours | Complete | 18 (43) | 4 (4.5) | 0.002 |
| Mild | 6 (16) | 16 (44) | ||
| Moderate | 16 (32) | 23 (50) | ||
| None | 4 (8) | 3 (1.5) | ||
| TOTPAR at 6 hours | Complete | 3 (5) | 3 (5) | 0.006 |
| Mild | 9 (24) | 0 (0) | ||
| Moderate | 22 (51) | 23 (52) | ||
| None | 7 (18) | 16 (42) | ||
| TOTPAR at 12 hours | Complete | 7 (15) | 0 (0) | 0.001 |
| Mild | 17 (38) | 20 (45) | ||
| Moderate | 15 (34) | 2 (4) | ||
| None | 7 (15) | 24 (52) | ||
| TOTPAR at 24 hours | Complete | 14 (31) | 0 (0) | 0.001 |
| Mild | 9 (20) | 4 (9) | ||
| Moderate | 17 (38) | 20 (45) | ||
| None | 5 (1) | 22 (46) |
- Citation: Bhattacharjee S, Srinivasan A, Tripathy SK, Doki SK, Hota D. Efficacy and safety of pre-emptive tapentadol on pain control in total knee arthroplasty: A randomized, double-blind, placebo-controlled trial. World J Orthop 2025; 16(10): 110233
- URL: https://www.wjgnet.com/2218-5836/full/v16/i10/110233.htm
- DOI: https://dx.doi.org/10.5312/wjo.v16.i10.110233