Skip to main content

Table 2 Results of network and pairwise meta-analyses comparing procedures for operation time, visual analogue scale pain score, hemoglobin change, and hospital stay

From: Intraoperative and postoperative feasibility and safety of total tubeless, tubeless, small-bore tube, and standard percutaneous nephrolithotomy: a systematic review and network meta-analysis of 16 randomized controlled trials

Procedures Network meta-analysis Pairwise meta-analysis
Mean difference 95% CI Mean difference 95% CI
Operation time
 Standard
  Total tubeless 6.11 −3.14 – 17.02 6.19a −0.14 – 12.52
  Tubeless 6.28 −2.71 – 17.06 7.43a −1.70 – 16.57
  Small-bore tube 7.09 −6.03 – 20.95 NA  
 Total tubeless
  Tubeless 0.08 −13.60 – 14.27 NA  
  Small-bore tube 0.95 −16.46 – 17.52 NA  
 Tubeless
  Small-bore tube 0.80 −14.27 – 13.60 0.86b −7.95 – 9.68
Visual analogue scale pain score
 Standard
  Total tubeless 1.25 −2.80 – 5.22 NA  
  Tubeless 1.20 −0.75 – 3.14 0.06a −0.56 – 0.69
  Small-bore tube 2.00 −1.03 – 5.14 NA  
 Total tubeless
  Tubeless −0.07 −4.58 – 4.41 NA  
  Small-bore tube 0.75 −4.37 – 5.89 NA  
 Tubeless
  Small-bore tube 0.80 −1.51 – 3.24 1.21a −0.02 – 2.44
Hemoglobin change
 Standard
  Total tubeless 0.65 0.14 – 1.13 0.23a −0.12 – 0.58
  Tubeless −0.48 −0.87 – −0.09 -0.29a −0.53 – −0.05
  Small-bore tube 0.73 −0.21 – 1.60 NA  
 Total tubeless
  Tubeless −1.14 −1.65 – −0.62 NA  
  Small-bore tube 0.06 −0.76 – 0.92 NA  
Tubeless
  Small-bore tube 1.30 0.27 – 2.26 −0.02a −1.13 – 1.10
Hospital stay
 Standard
  Total tubeless 1.33 0.23 – 2.43 1.42b 1.10 – 1.75
  Tubeless 0.99 0.19 – 1.79 0.54a −1.03 – 2.11
  Small-bore tube 0.73 −0.57 – 1.98 NA  
 Total tubeless
  Tubeless −0.33 −1.71 – 1.04 NA  
  Small-bore tube −0.60 −2.29 – 1.08 NA  
 Tubeless
  Small-bore tube −0.28 −1.39 – 0.83 0.06a −0.56 – 0.69
  1. CI confidence interval, NA not applicable
  2. aRandom-effect model with inverse variance method
  3. bFixed-effect model with inverse variance method