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Table 3 Comparison between estimates of σsjt (psjt for binary outcomes) obtained with the B-spline, P-spline and Fractional Polynomial (FP) network meta-analysis models. We report median, minimum and maximum evaluated over the 50 replicates of the average σsjt (respectively psjt) for each scenario

From: Bayesian splines versus fractional polynomials in network meta-analysis

Scenario B-spline model FP model
  Median Min Max Median Min Max
Linear 0.1007 0.1003 0.1010 0.1423 0.1172 0.1867
Logarithmic 0.1016 0.1014 0.1018 0.1439 0.1258 0.1761
Piecewise linear monotonic 0.1300 0.1190 0.1468 0.5701 0.5552 0.5875
Mixed 0.1321 0.1200 0.1497 0.6794 0.6666 0.6850
Non-monotonic 0.1399 0.1240 0.1760 0.9321 0.9321 0.9322
MTC 0.0829 0.0746 0.0939 0.1831 0.1236 0.3685
BEST-ITP 0.1352 0.1262 0.1426 0.2507 0.1712 0.4110
Piecewise linear monotonic (binary) 0.6128 0.5923 0.6246 0.6989 0.6830 0.7037
Non-monotonic (binary) 0.5940 0.5763 0.6011 0.7732 0.7372 0.8189
Piecewise linear (non-closed network) 0.1483 0.1203 0.1749 1.0382 1.0365 1.0408