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Table 1 Patient characteristics

From: The application of a neural network to predict hypotension and vasopressor requirements non-invasively in obstetric patients having spinal anesthesia for elective cesarean section (C/S)

Age (years)

 Mean (SD)

31.7 (4.72)

 Range

21–44

Height (cm)

 Mean (SD)

160.9 (6.83)

 Range

149.9–180.3

Weight (kg)

 Mean (SD)

98.7 (20.48)

 Range

62.6–136.5

BMI (kg/m2)

 Mean (SD)

37.8 (7.76)

 Range

23.7–55.2

Pre-op systole (mmHg)

 Mean (SD)

128.9 (19.14)

 Range

74–194

Systole at induction (mmHg)

 Mean (SD)

131.2 (18.18)

 Range

96–202

Systole at + 10 min (mmHg)

 Mean (SD)

115.4 (21.18)

 Range

66–215

Minimum systole (mmHg)

 Mean (SD)

98.13 (14.89)

 Range

61–137

Minutes until minimum systole

 Mean (SD)

12.68 (8.48)

 Range

2–39

Medical history

 Prior C/S (Y/N), n

9/36

 Hypertension (Y/N), n

6/39

 Diabetes mellitus (Y/N), n

6/39

 Chronic obstructive pulmonary disease (Y/N), n

0/39

 Atrial fibrillation (Y/N), n

0/39