Table 2 Comparison of the groups based on time, the presence of an anesthesia block, and pain levels with 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 | 24-h group | 16-h group | p | ||||||||
With blocks n = 6 | With blocks n = 7 | Without blocks n = 9 | Without blocks n = 6 | |||||||||||
Median | Min | Max | Median | Min | Max | Median | Min | Max | Median | Min | Max | |||
0 | 0 | 0 | 232.0 | 0 | 0 | 22.5 | 0.772 | 71.1 | 0 | 246.5 | 57.8 | 0 | 797.6 | 0.651 |
2 | 0 | 0 | 133.2 | 0 | 0 | 19.8 | 0.871 | 117.5 | 0 | 1015.6 | 24.5 | 3.3 | 194.0 | 0.245 |
6 | 2.3 | 0 | 50.6 | 1.5 | 0 | 177.5 | 1.000 | 80.2 | 19.8 | 1578.8 | 64.2 | 9.5 | 357.1 | 0.289 |
12 | 111.1 | 0 | 403.2 | 36.5 | 0 | 755.0 | 0.647 | 224.8 | 17.4 | 513.0 | 25.3 | 2.5 | 509.5 | 0.071 |
18 | 45.1 | 0 | 141.7 | 8.8 | 0 | 257.1 | 0.943 | 131.1 | 0 | 929.3 | 23.5 | 3.0 | 565.5 | 0.099 |
24 | 55.1 | 0 | 73.2 | 10.7 | 0 | 393.0 | 0.943 | 100.7 | 47.3 | 843.0 | 88.7 | 28.6 | 327.4 | 0.637 |
30 | 11.9 | 0 | 51.2 | 31.8 | 11.0 | 702.7 | 0.109 | 88.6 | 50.8 | 267.9 | 31.9 | 27.7 | 246.4 | 0.205 |
36 | 60.0 | 0 | 104.9 | 6.8 | 0 | 1136.8 | 0.507 | 96.2 | 0 | 368.8 | 74.3 | 10.2 | 209.5 | 0.372 |
42 | 18.0 | 4.4 | 174.0 | 22.4 | 0 | 261.8 | 1.000 | 127.0 | 74.4 | 470.6 | 16.3 | 0 | 121.4 | 0.007** |
48 | 12.4 | 0 | 39.7 | 19.0 | 0 | 320.0 | 0.664 | 100.7 | 25.9 | 247.7 | 27.4 | 0 | 84.5 | 0.045* |
10 °C | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Measurement time (h after returning to room) | 24-h group | 16-h group | p | 24-h group | 16-h group | p | ||||||||
With blocks n = 5 | With blocks n = 10 | Without blocks n = 4 | Without blocks n = 5 | |||||||||||
Median | Min | Max | Median | Min | Max | Median | Min | Max | Median | Min | Max | |||
0 | 0 | 0 | 0.0 | 0 | 0 | 0.0 | 1.000 | 100.7 | 81.3 | 115.2 | 18.0 | 0 | 151.4 | 0.140 |
2 | 0 | 0 | 69.3 | 0 | 0 | 10.9 | 0.535 | 21.9 | 10.0 | 208.6 | 12.4 | 0 | 1088.7 | 0.806 |
6 | 0.0 | 0 | 27.9 | 5.1 | 0 | 706.3 | 0.161 | 26.4 | 1.7 | 206.4 | 9.8 | 0 | 193.8 | 0.461 |
12 | 23.3 | 0 | 79.3 | 47.9 | 0 | 224.3 | 0.230 | 81.2 | 33.1 | 129.3 | 34.4 | 0 | 66.0 | 0.355 |
18 | 22.2 | 0 | 161.2 | 59.3 | 23.3 | 233.3 | 0.257 | 37.4 | 5.4 | 150.3 | 26.8 | 0 | 120.7 | 0.327 |
24 | 60.0 | 5.3 | 267.2 | 33.5 | 11.9 | 203.4 | 0.462 | 35.6 | 18.6 | 248.3 | 5.0 | 0 | 307.5 | 0.327 |
30 | 46.7 | 12.8 | 68.8 | 53.6 | 8.1 | 830.8 | 0.570 | 11.6 | 1.6 | 200.7 | 21.2 | 0 | 138.6 | 0.806 |
36 | 44.3 | 15.3 | 133.0 | 35.8 | 0.0 | 434.3 | 0.758 | 24.6 | 5.3 | 434.3 | 21.5 | 0 | 93.3 | 0.564 |
42 | 66.7 | 6.6 | 366.7 | 40.2 | 2.7 | 1023.7 | 0.548 | 23.1 | 4.2 | 177.4 | 44.8 | 0 | 155.5 | 0.806 |
48 | 27.3 | 6.4 | 101.7 | 16.1 | 4.0 | 65.8 | 0.386 | 8.4 | 1.0 | 242.2 | 26.3 | 0 | 66.4 | 1.000 |