Bilir))                                            0.9567 1.8273</span></span>
<span><span class="co">#&gt; value(log(serBilir)):ns(year, k = c(3, 6, 9), B = c(0, 14.5))1 -0.8186 0.2543</span></span>
<span><span class="co">#&gt; value(log(serBilir)):ns(year, k = c(3, 6, 9), B = c(0, 14.5))2 -0.7200 0.7006</span></span>
<span><span class="co">#&gt; value(log(serBilir)):ns(year, k = c(3, 6, 9), B = c(0, 14.5))3 -2.0471 0.9432</span></span>
<span><span class="co">#&gt; value(log(serBilir)):ns(year, k = c(3, 6,