100 PART THREE | DELIRIUM Total n=574 % No delirium n=522 % Delirium n=52 % P= Odds Ratio 95% confidence interval OR Constipation No 468 82 433 83 35 67 Yes 106 19 89 17 17 33 .006* 2.363 1.268-4.405 Urinary retention No 560 98 514 99 46 89 Yes 14 2 8 2 6 12 .001* 8.380 2.788-25.192 Organ failure No 476 83 447 86 29 56 Yes 98 17 75 14 23 44 <.001* 4.727 2.596-8.608 Liver failure Not measured 77 13 70 13 7 13 No 437 76 401 77 36 69 Yes 60 10 51 10 9 17 .09 1.971 .898-4.326 bilirubin >60 mmol/l 19 4 15 3 4 21 .08 2.849 .903-8.983 ASAT >150 51 10 43 10 8 18 .12 2.062 .902-4.710 ALAT >200 24 5 21 5 3 7 .47 1.469 .421-5.131 Pulmonary insufficiency Not measured 380 66 361 69 19 37 No 173 30 148 28 25 48 Yes 21 4 13 2 8 15 .01 7.133 2.806-18.133 Renal failure Not measured 15 3 15 3 0 0 No 543 95 497 95 46 88 Yes 16 3 10 2 6 12 .002* 6.696 2.327-19.239 Cardiac failure No 565 98 514 98 51 98 Yes 9 2 8 2 1 2 .58 1.262 .155-10.294 Table 4. Prevalence of predisposing and precipitating factors * P<0.01 (continued)
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