Table 2.
Bang's Blinding Index Results
| |
Acupuncture group |
No Acupuncture group |
|---|---|---|
| Guesses | n = 20 | n = 20 |
| Patients' guesses for treatment in PACU, n | 19a | 19a |
| “Acupuncture,” n (%) | 1 (5.3) | 2 (10.5) |
| “No Acupuncture,” n (%) | 0 (0) | 3 (15.8) |
| “I don't know,” n (%) | 18 (94.7) | 14 (73.7) |
| Bang's Blinding Index | 0.05 | 0.05 |
| 95% CI | (−0.03, 0.14) | (−0.14, 0.25) |
| Patients' guesses for treatment on POD 1, n | 20 | 19 |
| “Acupuncture,” n (%) | 6(30) | 4 (21.1) |
| “No Acupuncture,” n (%) | 2(10) | 2 (10.5) |
| “I don't know,” n (%) | 12(60) | 13 (68.4) |
| Bang's Blinding Index | 0.2 | 0.11 |
| 95% CI | (−0.02, 0.42) | (−0.10, 0.31) |
a
In each group, 1 patient from did not complete the blinding assessment in the PACU at the 60-minute mark because these patients were still being assessed by nursing staff.
PACU, post-anesthesia care unit; CI, confidence interval, POD, postoperative day.