Table 3 Comparison of groups based on time, the presence of an anesthesia block, VAS scores, and cooling temperatures of 5 °C and 10 °C
From: Investigation of cryotherapy for pain relief after arthroscopic shoulder surgery
5 °C | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Measurement time (h after returning to room) | 24-h group | 16-h group | p | t | Degrees of freedom | 24-h group | 16-h group | p | t | Degrees of freedom |
With blocks n = 6 | With blocks n = 7 | Without blocks n = 9 | Without blocks n = 6 | |||||||
0 | 0.3 ± 0.6 | 0.8 ± 1.8 | 0.533 | 0.644 | 11 | 4.1 ± 3.4 | 5.8 ± 3.9 | 0.390 | 0.891 | 12 |
2 | 1.3 ± 2.6 | 0.7 ± 1.0 | 0.633 | − 0.490 | 11 | 5.3 ± 3.0 | 4.7 ± 2.0 | 0.719 | − 0.368 | 12 |
6 | 0.6 ± 0.5 | 1.8 ± 2.9 | 0.292 | 1.147 | 6.387 | 3.9 ± 2.9 | 3.2 ± 2.2 | 0.618 | − 0.511 | 13 |
12 | 1.9 ± 1.8 | 4.1 ± 3.5 | 0.235 | 1.271 | 9 | 5.2 ± 2.4 | 3.5 ± 1.4 | 0.159 | − 1.5 | 12 |
18 | 2.2 ± 3.3 | 4.1 ± 3.8 | 0.360 | 0.955 | 11 | 4.2 ± 3.5 | 4.0 ± 1.8 | 0.914 | − 0.745 | 13 |
24 | 1.8 ± 1.9 | 3.8 ± 3.2 | 0.206 | 1.346 | 11 | 5.1 ± 2.5 | 3.3 ± 1.2 | 0.143 | − 1.561 | 13 |
30 | 0.9 ± 0.9 | 3.9 ± 2.7 | 0.043* | 2.556 | 6.047 | 4.4 ± 2.1 | 3.4 ± 1.7 | 0.392 | − 0.889 | 12 |
36 | 0.3 ± 0.2 | 4.1 ± 3.7 | 0.034* | 2.718 | 6.065 | 3.9 ± 1.9 | 3.3 ± 1.4 | 0.540 | − 0.635 | 10 |
42 | 1.2 ± 0.9 | 3.5 ± 2.9 | 0.089 | 1.958 | 7.443 | 5.0 ± 1.7 | 2.7 ± 1.7 | 0.023* | − 2.58 | 13 |
48 | 0.6 ± 0.8 | 2.4 ± 2.6 | 0.140 | 1.591 | 11 | 2.7 ± 1.4 | 3.8 ± 2.6 | 0.321 | 1.033 | 13 |
10 °C | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Measurement time (h after returning to room) | 24-h group | 16-h group | p | t | Degrees of freedom | 24-h group | 16-h group | p | t | Degrees of freedom |
With blocks n = 5 | With blocks n = 10 | Without blocks n = 4 | Without blocks n = 5 | |||||||
0 | 0 ± 0 | 0 ± 0 |  |  |  | 4.9 ± 3.4 | 5.0 ± 4.6 | 0.978 | 0.029 | 7 |
2 | 1.2 ± 2.7 | 0.4 ± 1.4 | 0.465 | − 0.752 | 13 | 3.5 ± 2.5 | 2.7 ± 3.8 | 0.757 | − 0.321 | 7 |
6 | 2.0 ± 3.9 | 1.9 ± 2.4 | 0.948 | − 0.066 | 12 | 3.2 ± 2.0 | 3.2 ± 4.2 | 0.984 | − 0.021 | 5.995 |
12 | 3.9 ± 2.4 | 3.9 ± 2.2 | 0.997 | − 0.003 | 12 | 3.5 ± 1.1 | 2.9 ± 3.0 | 0.816 | − 0.248 | 4 |
18 | 2.7 ± 2.4 | 4.4 ± 2.3 | 0.211 | 1.315 | 13 | 3.8 ± 2.9 | 2.1 ± 2.3 | 0.346 | − 1.011 | 7 |
24 | 3.6 ± 2.2 | 4.2 ± 2.5 | 0.659 | 0.452 | 13 | 3.1 ± 1.6 | 2.1 ± 2.6 | 0.524 | − 0.671 | 7 |
30 | 2.6 ± 1.6 | 4.7 ± 2.9 | 0.179 | 1.446 | 10 | 2.4 ± 2.1 | 2.4 ± 2.8 | 0.977 | 0.030 | 7 |
36 | 3.2 ± 3.0 | 4.1 ± 2.8 | 0.579 | 0.572 | 11 | 2.5 ± 1.8 | 2.2 ± 2.4 | 0.846 | − 0.202 | 6 |
42 | 3.1 ± 1.9 | 3.7 ± 3.0 | 0.696 | 0.400 | 12 | 2.5 ± 2.1 | 2.5 ± 2.8 | 0.995 | 0.006 | 7 |
48 | 2.3 ± 1.9 | 3.0 ± 1.9 | 0.502 | 0.693 | 12 | 2.1 ± 1.8 | 2.1 ± 2.3 | 0.984 | 0.021 | 7 |