Table 2 Characteristics of spinal anesthesia and adverse events

Time to T6 sensory block (min)

6.6 ± 2.1

8.0 ± 2.3

0.005

Successful spinal anesthesia (n)

40 (89)

31 (69)

0.02

Hypotension (n)

23 (51)

12 (27)

0.013

Abdominal muscles tone scores

2.1 ± 1.0

3.0 ± 1.0

<  0.001

 Skin incision

1.4 ± 0.5

1.5 ± 0.6

0.700

 Stretching abdominal muscles

2.3 ± 1.1

3.2 ± 1.1

<  0.001

 Uterine exteriorization

2.2 ± 0.6

3.0 ± 0.8

<  0.001

 Skin closure

1.6 ± 0.5

1.6 ± 0.5

0.685

Nausea and vomiting (n)

19 (42)

16 (36)

0.333

Ephedrine requirement (mg)

3.5 ± 3.7

2.0 ± 3.5

0.035