Table 3 Comparison of postoperative numeric rating scale (NRS) score and cumulative intravenous (IV) opioid consumption between patients with/without ITMB
Group | No ITMB | ITMB | p |
|---|---|---|---|
n | 25 | 25 | |
At 1Â h after surgery (in the PACU) | Â | Â | Â |
NRS score at rest |  |  |  < 0.001 |
1–3 | 3 (12.0%) | 17 (68.0%) |  |
4–6 | 13 (52.0%) | 5 (20.0%) |  |
7–10 | 9 (36.0%) | 3 (12.0%) |  |
NRS score during coughing |  |  |  < 0.001 |
1–3 | 1 (4.0%) | 13 (52.0%) |  |
4–6 | 8 (32.0%) | 7 (28.0%) |  |
7–10 | 16 (64.0%) | 5 (20.0%) |  |
Cumulative IV opioid consumption (mg)a | 12.1 (5.8–14.0) | 4.4 (2.9–5.7) | 0.001 |
At 6Â h after surgery (in the ward) | Â | Â | Â |
NRS score at rest |  |  |  < 0.001 |
1–3 | 5 (20.0%) | 21 (84.0%) |  |
4–6 | 13 (52.0%) | 3 (12.0%) |  |
7–10 | 7 (28.0%) | 1 (4.0%) |  |
NRS score during coughing | Â | Â | 0.009 |
1–3 | 3 (12.0%) | 13 (52.0%) |  |
4–6 | 13 (52.0%) | 8 (32.0%) |  |
7–10 | 9 (36.0%) | 4 (16.0%) |  |
Cumulative IV opioid consumption (mg)a | 18.5 (12.7–28.4) | 8.4 (6.0–10.2) |  < 0.001 |
At 24Â h after surgery (in the ward) | Â | Â | Â |
NRS score at rest | Â | Â | 0.034 |
1–3 | 17 (68.0%) | 23 (92.0%) |  |
4–6 | 8 (32.0%) | 2 (8.0%) |  |
7–10 | 0 (0.0%) | 0 (0.0%) |  |
NRS score during coughing | Â | Â | 0.024 |
1–3 | 4 (16.0%) | 13 (52.0%) |  |
4–6 | 18 (72.0%) | 11 (44.0%) |  |
7–10 | 3 (12.0%) | 1 (4.0%) |  |
Cumulative IV opioid consumption (mg)a | 38.4 (26.6–57.1) | 18.7 (15.0–24.2) |  < 0.001 |