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Table 1 Patient and insertion characteristics at baseline (n = 160)

From: Varied flushing frequency and volume to prevent peripheral intravenous catheter failure: a pilot, factorial randomised controlled trial in adult medical-surgical hospital patients

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)

  1. n (%) shown unless otherwise indicated post. posterior, ant. anterior, cub. cubital, mL millilitres, h hours, tx treatment, uupper, l lower
  2. a Estimated
  3. b Frequencies may not add up to group size due to missing/omitted values
  4. c Versus all other
  5. d Other categories omitted