Clinical Study

Clinical Characteristics of Spinal Levobupivacaine: Hyperbaric Compared with Isobaric Solution

Table 2

Characteristics of intrathecal blocks with isobaric or hyperbaric levobupivacaine in patients undergoing gynecologic surgery. Values are number of patients in each group, or minutes in mean Β± SD [min–max].

Isobaric: Hyperbaric ( 𝑛 )Isobaric (min)Hyperbaric (min) 𝑃 value

Time to T10 sensory block8 : 106.6 Β± 4.7 [ 2–15 ] 2.8 Β± 1.1 [ 1–5 ] 0.039
Time to T4 sensory block2 : 910.0 Β± 7.1 [ 5–15 ] 9.1 Β± 3.7 [ 4–15 ]
Time to peak sensory block9 : 1013.8 Β± 6.8 [ 8–30 ] 15.9 Β± 8.1 [ 7–30 ] 0.517
Time to modified Bromage score 110 : 106.9 Β± 5.3 [ 2–20 ] 2.9 Β± 2.9 [ 1–10 ] 0.013
Time to modified Bromage score 39 : 1013.6 Β± 7.3 [ 5–30 ] 8.2 Β± 6.8 [ 1–24 ] 0.064
Time to incision6 : 1017.5 Β± 4.6 [ 11–25 ] 16.6 Β± 4.9 [ 12–27 ] 0.623
2-segment regression time4 : 998.3 Β± 29.5 [ 60–123 ] 110.8 Β± 42.9 [ 60–192 ]
Regression time to T104 : 8160.0 Β± 50.4 [ 100–222 ] 158.9 Β± 60.0 [ 91–262 ]
Regression time to modified Bromage score 24 : 9143.3 Β± 74.7 [ 60–240 ] 102.4 Β± 20.9 [ 70–131 ]

Values are compared with Mann-Whitney π‘ˆ -test.