| Intervention | P | ||
---|---|---|---|---|
0.1Â ml | 0.5Â ml | 1.0Â ml | Â | |
PIPP-R 30s | n = 79 | n = 81 | n = 80 |  |
Mean (SD): 6.8 (3.5) | Mean (SD): 6.8 (3.2) | Mean (SD): 6.7 (3.4) | 0.97 | |
Min: 0 | Min: 1.0 | Min: 0 | Â | |
Max: 17.5 | Max: 16.3 | Max: 18.7 | Â | |
PIPP-R 60s | n = 76 | n = 80 | n = 80 |  |
Mean (SD): 7.0 (3.3) | Mean (SD): 6.9 (3.6) | Mean (SD): 6.7 (3.4) | 0.93 | |
Min: 0 | Min: 0 | Min: 0 | Â | |
Max: 17.0 | Max: 18.0 | Max: 18.7 | Â |