|
Characteristic
|
Total (n = 160)
|
Flush volume
|
Flush frequency
|
|---|
| |
3 mL (n = 80)
|
10 mL (n = 80)
|
24 h (n = 79)
|
6 h (n = 81)
|
|---|
|
Group size
|
160 (100)
|
80 (50)
|
80 (50)
|
79 (49)
|
81 (51)
|
|
Age (median, IQR)
|
63 (24)
|
63 (22)
|
64 (30)
|
63 (26)
|
64 (23)
|
|
Gender (male)
|
93 (58)
|
53 (66)
|
40 (50)
|
47 (59)
|
46 (57)
|
|
Overweight/obesea
|
70 (44)
|
33 (41)
|
37 (46)
|
33 (42)
|
37 (46)
|
|
Comorbidities (≥2)
|
110 (69)
|
51 (64)
|
59 (74)
|
57 (72)
|
53 (65)
|
|
Skin integrity (poor)
|
24 (15)
|
12 (15)
|
12 (15)
|
12 (15)
|
12 (15)
|
|
Infection (any type)
|
43 (27)
|
22 (28)
|
21 (26)
|
18 (23)
|
25 (31)
|
|
Antibiotic treatment
|
115 (72)
|
57 (71)
|
58 (72)
|
60 (76)
|
55 (68)
|
|
Frequency of IV txb:
| | | | | |
|
- 0
|
15 (11)
|
10 (12)
|
5 (6)
|
8 (10)
|
7 (9)
|
|
- 1–2 times daily
|
23 (17)
|
10 (12)
|
13 (16)
|
14 (18)
|
9 (11)
|
|
- 3–4 times daily
|
71 (54)
|
35 (44)
|
36 (45)
|
37 (47)
|
34 (42)
|
|
- ≥5 times daily
|
23 (17)
|
13 (16)
|
10 (12)
|
8 (10)
|
15 (19)
|
|
Inserted in dominant arm
|
80 (52)
|
37 (47)
|
36 (49)
|
36 (48)
|
37 (47)
|
|
Insertion point:
| | | | | |
|
- post. wrist
|
39 (24)
|
22 (28)
|
17 (21)
|
18 (23)
|
21 (26)
|
|
- hand
|
38 (24)
|
18 (22)
|
20 (25)
|
18 (23)
|
20 (25)
|
|
- post. u/l forearm
|
30 (19)
|
15 (19)
|
15 (19)
|
17 (22)
|
13 (16)
|
|
- ant. u/l forearm
|
29 (18)
|
15 (19)
|
14 (18)
|
14 (18)
|
15 (19)
|
|
- cub. fossa/ant. u arm
|
24 (15)
|
10 (12)
|
14 (18)
|
12 (15)
|
12 (15)
|
|
Vein quality (poor)
|
85 (53)
|
41 (51)
|
44 (55)
|
39 (49)
|
46 (57)
|
|
Insertion in wardc
|
118 (74)
|
59 (74)
|
59 (74)
|
59 (75)
|
59 (73)
|
|
Inserted by:
| | | | | |
|
- IV nurse inserter
|
72 (45)
|
36 (45)
|
36 (45)
|
39 (49)
|
33 (41)
|
|
- any doctor
|
68 (43)
|
35 (44)
|
33 (41)
|
35 (44)
|
33 (41)
|
|
- any nurse/unknown
|
20 (13)
|
9 (11)
|
11 (14)
|
5 (6)
|
15 (19)
|
|
Multiple insertion attempts
|
32 (20)
|
15 (19)
|
17 (22)
|
17 (22)
|
15 (19)
|
|
Device sized:
| | | | | |
|
- 22 gauge
|
76 (48)
|
37 (46)
|
39 (49)
|
35 (44)
|
41 (51)
|
|
- 20 gauge
|
67 (42)
|
33 (41)
|
34 (42)
|
35 (44)
|
32 (40)
|
|
Extension tubing
|
82 (51)
|
41 (51)
|
41 (51)
|
43 (54)
|
39 (48)
|
|
3-way tap
|
118 (74)
|
59 (74)
|
59 (74)
|
59 (75)
|
59 (73)
|
-
n (%) shown unless otherwise indicated post. posterior, ant. anterior, cub. cubital, mL millilitres, h hours, tx treatment, uupper, l lower
-
a Estimated
-
b Frequencies may not add up to group size due to missing/omitted values
-
c Versus all other
-
d Other categories omitted
