|
Characteristic
|
Placebo (n = 45)
|
Alfentanilb (n = 45)
|
P value
|
|---|
|
Male (%)
|
44.4 (20/45)
|
31.1 (14/45)
|
0.28
|
|
Age (years)
|
62.2
|
62.7
|
0.86
|
|
Weight (kg)
|
75.5
|
76.3
|
0.83
|
|
Height (cm)
|
172
|
170
|
0.41
|
|
BMI (kg/m2)
|
25.6
|
26.2
|
0.59
|
|
Education (%)
| | |
0.83
|
|
primary
|
6.7 (3/45)
|
6.7 (3/45)
| |
|
secondary
|
53.3 (24/45)
|
46.7 (21/45)
| |
|
tertiary
|
40.0 (18/45)
|
46.7 (21/45)
| |
|
Ethnicity (%)
| | |
0.90
|
|
Dutch
|
93.3 (42/45)
|
91.1 (41/45)
| |
|
Surinam
|
4.4 (2/45)
|
6.7 (3/45)
| |
|
other
|
2.2 (1/45)
|
2.2 (1/45)
| |
|
First CT colonography (%)
|
100 (45/45)
|
100 (45/45)
|
1.00
|
|
Indication abdominal pain (%)
|
29.5 (13/44)
|
15.9 (7/44)
|
0.20
|
|
Spasmolytic (%):
| | |
0.60
|
|
buscopan
|
86.7 (39/45)
|
84.4 (38/45)
| |
|
glucagon
|
13.3 (6/45)
|
13.3 (6/45)
| |
|
no
|
0 (0/45)
|
2.2 (1/45)
| |
|
Oxygen saturation (%SpO2)
|
98
|
98
|
0.47
|
|
Heart rate (b/m)
|
77.8
|
79.0
|
0.70
|
|
Systolic blood pressure (mmHg)
|
155
|
158
|
0.59
|
|
Diastolic blood pressure (mmHg)
|
86
|
89
|
0.28
|
|
Expected burden (1–5)
|
3
|
3
|
0.31
|
|
Expected pain (1–5)
|
3
|
3
|
0.46
|
- This table shows mean values, unless indicated otherwise; medians are presented for oxygen saturation, expected pain and burden.
- For all percentage the numbers are given between brackets. No significant differences were present between baseline characteristics of the two groups.
