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Table 2 Device outcomes at removal

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

Outcome Total (n = 160) Flush volume Flush frequency
  3 mL (n = 80) 10 mL (n = 80) 24 h (n = 79) 6 h (n = 81)
Device failure: 73 (46) 29 (36) 44 (55) 32 (41) 41 (51)
- occlusion or leaking 22 (14) 12 (15) 10 (12) 9 (11) 13 (16)
- infiltration 18 (11) 4 (5) 14 (18) 10 (13) 8 (10)
- phlebitis or too painful 22 (14) 7 (9) 15 (19) 8 (10) 14 (17)
- dislodgment 15 (9) 5 (6) 10 (12) 7 (9) 8 (10)
Device dwell time (days)a 2.70 (1.66–4.02) 2.23 (1.46–4.32) 2.73 (1.71–3.98) 2.83 (1.65–4.25) 2.26 (1.67–3.58)
Device-hours 11,911 5,998 5,914 6,327 5,584
Incidence rate (95 % CI)b 6.13 (4.87–7.71) 4.84 (3.36–6.96) 7.44 (5.54–10.0) 5.06 (3.58–7.15) 7.34 (5.41–9.97)
Log-rank test (p value) - 0.063 0.054
  1. n (%) shown unless otherwise noted
  2. CI confidence interval
  3. a Median and inter-quartile range
  4. b Per 1000 device-hours