Table 3 Comparison of average pressure in lithotomy stirrups-1 and 2 (details by muscle, left and right)
Neutral position | Trendelenburg position | Trendelenburg position with tilting right down 10 degrees | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Left | Lithotomy stirrups-1 | Lithotomy stirrups-2 | p value | Left | Lithotomy stirrups-1 | Lithotomy stirrups-2 | p value | Left | Lithotomy stirrups-1 | Lithotomy stirrups-2 | p value | |||
① | 23.8±6.8 | 20.5±4.9 | 0.037 | ① | 27.0±6.3 | 25.7±4.3 | 0.331 | ① | 28.4±7.4 | 25.0±5.4 | 0.044 | |||
② | 21.2±6.5 | 18.0±5.4 | 0.045 | ② | 25.0±6.4 | 23.1±4.2 | 0.168 | ② | 23.5±7.3 | 20.2±6.1 | 0.065 | |||
③ | 17.9±4.5 | 20..3±5.0 | 0.059 | ③ | 19.5±5.2 | 23.0±4.1 | 0.005 | ③ | 19.5±5.0 | 22.1±4.5 | 0.043 | |||
④ | 22.0±5.1 | 18.6±5.0 | 0.036 | ④ | 25.0±6.8 | 23.2±3.8 | 0.224 | ④ | 27.6±7.3 | 23.8±4.8 | 0.022 | |||
⑤ | 20.0±5.7 | 16.0±5.6 | 0.007 | ⑤ | 24.3±6.2 | 20.5±5.5 | 0.013 | ⑤ | 25.6±7.1 | 20.4±6.2 | 0.003 | |||
Right | Lithotomy stirrups-1 | Lithotomy stirrups-2 | p value | Right | Lithotomy stirrups-1 | Lithotomy stirrups-2 | p value | Right | Lithotomy stirrups-1 | Lithotomy stirrups-2 | p value | |||
① | 25.8±6.0 | 18.1±4.2 | <0.001 | ① | 28.6±6.3 | 22.3±4.6 | <0.001 | ① | 28.3±6.6 | 23.7±4.3 | 0.002 | |||
② | 23.5±6.4 | 15.8±4.8 | <0.001 | ② | 26.0±7.1 | 19.8±4.9 | <0.001 | ② | 24.4±6.3 | 19.6±4.7 | 0.002 | |||
③ | 20.3±5.9 | 17.4±5.3 | 0.048 | ③ | 21.8±5.5 | 19.9±5.1 | 0.174 | ③ | 21.2±5.8 | 20.6±4.7 | 0.068 | |||
④ | 22.7±4.8 | 16.2±4.1 | <0.001 | ④ | 25.7±4.6 | 20.5±4.2 | <0.001 | ④ | 28.8±5.9 | 23.9±3.8 | <0.001 | |||
⑤ | 20.9±6.1 | 13.6±4.1 | <0.001 | ⑤ | 23.6±5.3 | 17.7±4.6 | <0.001 | ⑤ | 24.7±4.4 | 19.3±4.8 | <0.001 | |||