Anesthesiology Research and Practice / 2012 / Article / Tab 2

Clinical Study

Comparison of Spinal Block Levels between Laboring and Nonlaboring Parturients Using Combined Spinal Epidural Technique with Intrathecal Plain Bupivacaine

Table 2

Block characteristics 20 minutes after intrathecal injection.

Block characteristicsGroup NLGroup L value
( )( )

Median sensory blockade level to coldT6 (T4–T6)aT5 (T4–T6)a0.46
Time to achieve cold blockade level (minutes)10.9 (2.1)b10.7 (2.3)b0.83
Median sensory blockade level to pinprickT7 (T6–T8)aT7 (T7-T8)a0.35
Time to achieve pinprick blockade level (minutes)11.2 (2.2)b10.5 (2.6)b0.36
Motor block grade3 (3-4)a3 (3-4)a0.85
Time to achieve motor block (minutes)8.0 (2.5)b7.7 (2.6)b0.42
Phenylephrine (μg)0 (0–100)a0 (0-0)a>0.99
Maximal decrease of SBP (mmHg)23.2 (13.2)b34.6 (9.2)b0.03
Hypotension8 (32%)c5 (20%)c0.52
Shivering5 (20%)c12 (48%)c0.07
Nausea and vomiting3 (12%)c1 (4%)c0.61

a Results are expressed as the median (interquartile range); bresults are expressed as the mean (SD); cresults are expressed as the number of parturients (percent).

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.