Variable Level Placebo
(n = 26)
20 mg
(n = 26)
30 mg
(n = 26)
40 mg
(n = 26)
Total
(n = 104)
Anatomical position (Winter), N (%) 1 10 (38.5) 8 (30.8) 10 (38.5) 5 (19.2) 33 (31.7)
2 6 (23.1) 8 (30.8) 4 (15.4) 10 (38.5) 28 (26.9)
3 5 (19.2) 4 (15.4) 8 (30.8) 6 (23.1) 23 (22.1)
4 5 (19.2) 6 (23.1) 4 (15.4) 5 (19.2) 20 (19.2)
Anatomical position (Pell and Gregory transversal), N (%) 1 0 (0) 1 (3.8) 0 (0) 0 (0) 1 (1)
2 26 (100) 24 (92.3) 26 (100) 26 (100) 102 (98.1)
3 0 (0) 1 (3.8) 0 (0) 0 (0) 1 (1)
Anatomical position (Pell and Gregory vertical), N (%) 1 7 (26.9) 5 (19.2) 9 (34.6) 8 (30.8) 29 (27.9)
2 18 (69.2) 18 (69.2) 16 (61.5) 16 (61.5) 68 (65.4)
3 1 (3.8) 3 (11.5) 1 (3.8) 2 (7.7) 7 (6.7)
Time of surgery (minutes) Mean (SD) 9.27 (3.79) 8.77 (3.9) 9.04 (5.87) 11.73 (6.77) 9.7 (5.3)
Median 9.5 7 6 9.5 8
Q1; Q3 6; 10 6; 10.75 5.25; 10 8; 15.75 6; 11.25
Min; max 5; 18 5; 20 4; 30 4; 31 4; 31

N = number; Q1 = first quartile; Q3 = third quartile; SD = standard deviation.