Document Classification

Section Type: RESULTS

Text: SECONDARY ENDPOINTS : 1) Patients reported less pain with ultrasound ; US-guided 3. 71 (95 % confidence interval [CI] 2. 61-4. 80) cm vs. LM 5. 19 (95 % CI 3. 94-6. 45) cm ; p = 0. 02. 2) Providers felt the US-guided technique was easier to perform than LM ; 1. 67 units on 5-point scale (95 % CI 1. 37-1. 97) vs. 2. 11 (95 % CI 1. 79-2. 42) units ; p = 0. 02. 3) The total procedure time was shorter with the US-guided technique ; 10. 58 (95 % CI 7. 36-13. 80) min vs. LM 13. 37 (95 % CI 9. 83-16. 92) min ; p = 0. 05. 4) There was no difference in the amount of fluid obtained between techniques ; US-guided 45. 33 (95 % CI 35. 45-55. 21) mL vs. LM 34. 7 (95 % CI 26. 09-43. 32) mL ; p = 0. 17.