Impact of preoperative patient education on the prevention of postoperative complications after major visceral surgery: the cluster randomized controlled PEDUCAT trial

Table 2 Postoperative morbidity and mortality within 30 days and length of hospital stay

	Patient education + information brochure (n = 138)	Information brochure only (n = 106)	P value
Postoperative morbidity
Pneumonia			0.807*
N	121	96
n	9 (7.4%)	8 (8.3%)
Deep vein thrombosis			Not applicable
N	120	96
n	0 (0.0%)	0 (0.0%)
Pulmonary embolism			0.707*
N	122	96
n	2 (1.6%)	1 (1.0%)
Burst abdomen			0.165*
N	120	96
n	5 (4.2%)	1 (1.0%)
In-hospital fall			0.024*
N	120	96
n	0 (0.0%)	4 (4.2%)
Composite endpoint^a			0.704*
N	120	96
n	13 (10.8%)	12 (12.5%)
Mortality			0.790*
N	138	106
n	2 (1.4%)	2 (1.9%)
Length of hospital stay (days)			0.285^†
N	138	106
n	14.2 (12.0)	16.1 (15.0)

Significant results (p value < 0.05) are in bold
Data are means (with standard deviations) or numbers of patients (with percentages)
^aPatients with at least one complication
^*χ² test
^†t test
N Number of patients available for the outcome analyzed
n Number of events

ISSN: 1745-6215