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Table 1 Patients characteristics

From: Combined ultrasound and nerve stimulator-guided deep nerve block may decrease the rate of local anesthetics systemic toxicity: a randomized clinical trial

 

group U(100)

group N(100)

group M(100)

F

P

Age (yr) (SD)

41.7(12.85)

39.9 (14.71)

42.0 (19.94)

0.6222

0.53745

Gender (F/M)

55/45

47/53

43/57

 

(N vs U)0.51/(M vs U)0.49

Weight (kg) (SD)

63.8 (11.92)

64.7(11.06)

64.7(11.20)

0.2185

0.8038

Height (cm) (SD)

163.0 (8.07)

165.0 (9.68)

164.9 (9.3)

1.5282

0.2186

Surgical duration (min)

41.0(24.21)

46.9 (32.26)

51.5(30.8)

3.1996

0.04219

Surgical site(knee/ankle/other)

89/10/1

78/21/1

84/16/0

  

ASA I/II/III

53/47/0

48/52/0

49/50/1

  
  1. Data are expressed as mean ± SD
  2. Abbreviations: group U nerve block with ultrasound guidance, group N nerve block with nerve stimulation-guidance, group M nerve block with combined guidance, F female, M male, ASA American Society of Anesthesiologists