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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)
 Range21–44
Height (cm)
 Mean (SD)160.9 (6.83)
 Range149.9–180.3
Weight (kg)
 Mean (SD)98.7 (20.48)
 Range62.6–136.5
BMI (kg/m2)
 Mean (SD)37.8 (7.76)
 Range23.7–55.2
Pre-op systole (mmHg)
 Mean (SD)128.9 (19.14)
 Range74–194
Systole at induction (mmHg)
 Mean (SD)131.2 (18.18)
 Range96–202
Systole at + 10 min (mmHg)
 Mean (SD)115.4 (21.18)
 Range66–215
Minimum systole (mmHg)
 Mean (SD)98.13 (14.89)
 Range61–137
Minutes until minimum systole
 Mean (SD)12.68 (8.48)
 Range2–39
Medical history
 Prior C/S (Y/N), n9/36
 Hypertension (Y/N), n6/39
 Diabetes mellitus (Y/N), n6/39
 Chronic obstructive pulmonary disease (Y/N), n0/39
 Atrial fibrillation (Y/N), n0/39