Table 2

Outcome analysis results reported with statistical significance

Study outcomesDisconnect–reconnect technique (DRT)
n=16
Push–pull technique (PPT)
n=16
Effect estimate
Mean (SD)Mean (SD)Mean difference (95% CI); p
Primary outcome
 Overall fluid infusion rate (mL/s)1.77 (0.145)1.62 (0.226)0.153 (0.055 to 0.251);  0.005
Secondary outcomes
 Fluid infusion rate by bolus (mL/s)*Bolus 1:1.63 (0.143)Bolus 1:1.62 (0.223)0.016 (−0.088 to 0.121); 0.744
Bolus 2:1.83 (0.176)Bolus 2:1.58 (0.356)0.246 (0.136 to 0.357); <0.001
Bolus 3:1.88 (0.180)Bolus 3:1.67 (0.265)0.214 (0.087 to 0.340); 0.003
 Total fluid volume infused (mL)891.8 (36.60)898.13 (58.11)−6.250 (−52.760 to 40.260);  0.778
 Subjective fatigue rank (mean rank)5.75 (1.0)5.63 (1.20)0.125 (−0.650 to 0.900); 0.736
  Median (Q1, Q3)6.0 (5.0, 6.5)5.5 (5.0, 7.0)p=0.836
 Catheter dislodgement events (n)00NA
 Technical issues encountered (n)03NA
  • *DRT infusion rates differ between bolus 1, 2 and 3; p<0.001.

    DRT infusion rates differ between bolus 1 and 2; p<0.001.

  • DRT infusion rates differ between bolus 1 and 3; p<0.001.

  • DRT infusion rates do not differ between bolus 2 and bolus 3; p=0.114.

  • PPT infusion rates differ between bolus 1, 2 and 3; p=0.003.

  • PPT infusion rates differ between bolus 2 and 3; p=0.003.

  • PPT infusion rates did not differ between bolus 1 and either bolus 2; p=0.356 or bolus 3; p=0.197.

  • NA, not applicable.