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Table 2 Gastric emptying and one-hour velocities in the small intestine in the ON and OFF period

From: A randomised, controlled study of small intestinal motility in patients treated with sacral nerve stimulation for irritable bowel syndrome

  ON period OFF period
Gastric emptying (minutes) (n = 20) 43 (5–360) 77 (4–142)
IBS-D (n = 11) 51 (9–159) 89 (34–142)
IBS-M (n = 9) 42 (5–360) 66 (4–121)
One-hour velocity following duodenal passage (meters/hour) (n = 20) 1.29 (0.56-2.3) 1.19 (0.58-1.72)
IBS-D (n = 11) 1.29 (0.67-2.9) 1.19 (0.58-1.72)
IBS-M (n = 9) 1.1 (0.56-2.3) 1.12 (0.62-1.29)
One-hour velocity postprandial (meters/hour) (n = 20) 0.48 (0.1-1.02) 0.42 (0.11-0.87)
IBS-D (n = 11) 0.49 (0.17-1.02) 0.36 (0.11-0.7)
IBS-M (n = 9) 0.48 (0.1-0.78) 0.46 (0.14-0.87)
  1. IBS-D stand for diarrhoea-predominant IBS and IBS-M stand for mixed IBS.
  2. Values are expressed as median and range.