Anesthesia characteristic of an algorithm of bupivacaine dose based on height in caesarean section under spinal anesthesia: a retrospective cohort study

Table 3 Incidence of side effects in parturients

	Group _(150–154)	Group _(155–159)	Group _(160–164)	Group _(165–169)	Group _(170–174)	χ²	P
n	22	45	42	15	2
Hypotension	2	6	6	3	0	1.245	0.871
Number of hypotensive recordings > 2	0	1	0	1	0	3.658	0.454
Dizziness	0	2	3	1	0	1.855	0.762
Nausea	0	1	2	0	0	1.980	0.739
Vomiting	0	0	1	0	0	2.016	0.733
Bradycardia	0	1	2	1	0	1.859	0.762
Dyspnea	0	0	0	0	0	&	&

^& indicated that the χ² value could not be obtained, because the value of each group was 0

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