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Table 3 Additional analgesic consumption between the groups

From: Analgesic efficacy of ultrasound guided paravertebral block in percutaneous nephrolithotomy patients: a randomized controlled clinical study

Additional tramadol Block
(n = 22)
Control
(n = 22)
Pa
1. hour no 22 (%100,0) 20 (%90,9) 0,488
yes 0 (%0,0) 2 (%9,1)
2. hour no 13 (%59,1) 9 (%40,9) 0,366
yes 9 (%40,9) 13 (%59,1)
4. hour no 21 (%95,5) 18 (%81,8) 0,345
yes 1 (%4,5) 4 (%18,2)
6. hour no 21 (%95,5) 14 (%63,6) 0,021
yes 1 (%4,5) 8 (%36,4)
8. hour no 22 (%100,0) 20 (%90,9) 0,488
yes 0 (%0,0) 2 (%9,1)
10. hour no 22 (%100,0) 19 (%86,4) 0,233
yes 0 (%0,0) 3 (%13,6)
12. hour no 22 (%100,0) 22 (%100,0) 1000
yes 0 (%0,0) 0 (%0,0)
24. hour no 22 (%100,0) 22 (%100,0) 1000
yes 0 (%0,0) 0 (%0,0)
  1. aChi Square Test