Patient characteristics | 0.5 % plain bupivacaine volume for loss of pinprick discrimination at T12 | 0.5 % plain bupivacaine volume for loss of pinprick discrimination at T10 | ||||||
---|---|---|---|---|---|---|---|---|
b | p value | 95 % CI | b | p value | 95 % CI | |||
lower limit | upper limit | lower limit | upper limit | |||||
Age | 0.016 | 0.667 | −0.140 | 0.226 | 0.027 | 0.725 | −0.100 | 0.232 |
Height | 0.020 | 0.717 | −0.122 | 0.267 | 0.084 | 0.164 | −0.098 | 0.245 |
Weight | −0.062 | 0.422 | −0.331 | 0.107 | 0.090 | 0.200 | −0.119 | 0.231 |
Abdominal girth | −0.044 | <0.001 | −0.777 | −0.563 | −0.046 | <0.001 | −0.861 | −0.713 |
Vertebral column length | 0.045 | <0.001 | 0.431 | 0.726 | 0.047 | <0.001 | 0.399 | 0.648 |