Table 2. Spinal technique characteristics.

Characteristics	Value
N	439
Patient position (seated/lateral) (n=437)	414 [95]/23 [5]
Puncture position (spinal level) (n=426)
L1–L2	5 [1]
L2–L3	66 [16]
L3–L4	302 [71]
L4–L5	53 [12]
Local anaesthetic agent (n=424)
Bupivacaine isobaric 0.5%	57 [13]
Bupivacaine hyperbaric 0.5%	138 [33]
Prilocaine hyperbaric 2%	229 [54]
Sensory block height (dermatome) (n=409)	T8 [T6–T10]; range C4–L5
Bupivacaine isobaric 0.5% (n=56)	T6 [T4–T10]; range C6–L1
Bupivacaine hyperbaric 0.5% (n=135)	T8 [T6–T10]; range T1–L4
Prilocaine hyperbaric 2% (n=217)	T9 [T6–T10]; range C4–L5
Complications
Failed spinal anaesthesia	14 [3]
Inadequate block	15 [3]
Vasovagal response	30 [7]
Post dural puncture headache	3 [0.7]

Data are presented as mean ± SD, median [IQR] or frequency [%].