Table 1 Clinical characteristics of term parturients
Overall | Appropriate block | Inappropriate block | P value | |
|---|---|---|---|---|
No. pts. (%) | 684 | 516 (75.44%) | 168 (24.56%) | – |
Age, yrs | 30.7 ± 4.5 | 30.7 ± 4.5 | 30.8 ± 4.6 | 0.717 |
Weight, kg | 69.5 ± 9.6 | 69.1 ± 9.4 | 71.0 ± 10.1 | 0.022 |
Height, cm | 159.3 ± 4.7 | 159.4 ± 4.6 | 159.1 ± 4.8 | 0.405 |
Vertebral column length, cm | 56.6 ± 3.2 | 56.7 ± 3.0 | 56.4 ± 3.8 | 0.323 |
Abdominal girth, cm | 99.9 ± 7.1 | 99.5 ± 6.9 | 101.2 ± 7.7 | 0.007 |
Fundal height, cm | 35.2 ± 2.8 | 35.2 ± 2.9 | 35.2 ± 2.6 | 0.789 |
Fetal biparietal diameter, cm | 9.1 ± 0.5 | 9.1 ± 0.5 | 9.2 ± 0.4 | 0.076 |
Fetal weight, kg | 3.3 ± 0.7 | 3.4 ± 0.7 | 3.4 ± 0.6 | 0.445 |
Bupivacaine dosage, mL | 2.0 ± 0.2 | 2.0 ± 0.2 | 2.0 ± 0.1 | 0.057 |