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Table 1 Multiple linear regression, catheter malfunction as dependent variable

From: Substitution of citrate with tissue plasminogen activator (rt-PA) for catheter lock does not improve patency of tunnelled haemodialysis catheters in a randomised trial

Independent variables

β

Std.Err. of β

p-level

Previous malfunction [Y/N]

0,248

0,041

0,000

Interval since previous session [days]

0,122

0,044

0,005

Catheter vintage [number of sessions passed]

−0,055

0,042

0,186

rt-PA application on previous session [mg]

−0,068

0,049

0,165

Study arm [rt-PA/citrate]

0,056

0,047

0,227

  1. Multiple linear regression: R = 0.2996 R2 = 0.0898 Adjusted R2 = 0.0814
  2. F(5,542) = 10,690 p < 0.00000 Std. Error of estimate: 0.32786