TABLE 1.

Prevalence of transit delays and contractility abnormalities in patients with suspected diabetic or idiopathic gastroparesis

Measure	All patients N (%) or Median (IQR)	Diabetic patients N (%) or Median (IQR)	Idiopathic patients N (%) or Median (IQR)	P value diabetic vs idiopathic patients
Transit measures
Delayed scintigraphic 4 h solid retention >10%	132/194 (68.8%)	48/66 (72.7%)	84/126 (66.7%)	.42
Rapid scintigraphic 1 h solid retention <38%	6/188 (3.2%)	4/66 (6.1%)	2/124 (1.6%)	.18
Delayed scintigraphic 1 h liquid retention >50%	48/137 (34.8%)	14/44 (31.8%)	34/94 (36.2%)	.70
Delayed WMC GET >5 h	81/201 (40.3%)	34/66 (51.5%)	42/128 (32.8%)	.01
Rapid WMC GET <1:45 h	10/201 (5.0%)	2/66 (3.0%)	8/128 (6.2%)	.50
WMC SBTT (h)	4.05 (3.19, 5.39)	3.55 (2.85, 4.69)	4.12 (3.30, 5.68)	.01
Delayed WMC SBTT >6 h	26/168 (15.5%)	4/49 (8.2%)	21/114 (18.4%)	.15
Rapid WMC SBTT <2:15 h	8/168 (4.8%)	4/49 (8.2%)	4/114 (3.5%)	.24
WMC CTT (h)	41.6 (20.6, 67.7)	45.9 (21.9, 64.0)	38.7 (20.3, 69.2)	.73
Delayed WMC CTT >59 h	55/164 (33.5%)	17/49 (34.7%)	36/111 (32.4%)	.86
WMC delays in ≥2 regions	38/163 (23.3%)	10/47 (21.3%)	26/113 (23.0%)	1.00
Contractility measures
Gastric contractions/h	56 (27, 119)	49 (35, 120)	56 (24, 119)	.70
Reduced gastric contractions (<29/h)	41/160 (25.6%)	9/45 (20.0%)	31/107 (29.0%)	.31
Gastric motility index (MI)	11.5 (10.3, 12.6)	11.6 (10.4, 12.6)	11.5 (9.9, 12.6)	.67
Reduced gastric MI (<9.82)	33/154 (21.4%)	6/45 (13.3%)	26/107 (24.3%)	.19
Small bowel contractions/h	137.5 (67, 230)	148 (86, 303)	136 (65, 206)	.17
Reduced small bowel contractions (<36/h)	20/146 (13.7%)	3/41 (7.3%)	17/105 (16.2%)	.19
Small bowel motility index (MI)	12.7 (11.4, 13.8)	12.9 (11.8, 14.4)	12.6 (11.1, 13.5)	.11
Reduced small bowel MI (<10.57)	24/146 (16.4%)	5/41 (12.2%)	19/105 (18.1%)	.46
Colon contractions/h	125 (87, 163)	108 (80, 155)	129 (91, 165)	.30

N, sample size; IQR, interquartile range.