Table 3

Characteristics of patients with adverse events (AEs) and the impact of these in isolated and non-isolated patients

Isolated patient with AENon-isolated patient with AETotal patients with AEP value
Sex
 Woman12 (36.3%)12 (63.1%)24 (46.1%)0.06*
 Man21 (63.6%)7 (36.8%)28 (53.8%)
Age
 Mean (SD)67.7 (15.8)73.8 (13.8)69.9 (15.3)0.19†
 Median (IQR)66 (25)79 (14)71 (23.2)
Intrinsic risk factors
 Absence5 (15.1%)2 (10.5%)7 (13.4%)1.00*
 Presence28 (84.8%)17 (89.4%)45 (86.4%)
No intrinsic risk factors
 05 (15.1%)2 (10.5%)7 (13.4%)0.79*
 14 (12.1%)1 (5.2%)5 (9.6%)
 24 (12.1%)3 (15.7%)7 (13.4%)
 3 or more20 (60.6%)13 (68.4%)33 (63.4%)
Extrinsic risk factors
 Absence0 (0.0%)1 (5.2%)1 (1.9%)0.36*
 Presence33 (100%)18 (94.7%)51 (98%)
Length of hospital stay (days)
 Mean (SD)37.4 (36.5)20.9 (16.9)31.4 (31.6)0.08
 Median (IQR)22 (37.5)13 (21)21 (22.7)
Part of stay due to the AE
 Unknown2 (6.06%)2 (10.5%)4 (7.7%)0.51*
 Stay not extended14 (42.4%)6 (31.5%)20 (38.5%)
 Part of stay13 (39.4%)6 (31.5%)19 (36.5%)
 Caused readmission4 (12.1%)5 (26.3%)9 (17.3%)
Readmission associated with an AE
 Yes4 (12.1%)5 (26.3%)9 (17.3%)0.26‡
 No29 (87.8%)14 (73.6%)43 (82.7%)
  • 2 test

  • †Mann-Whitney U test.

  • ‡Student’s t-test.

  • AE, adverse events; IQR, interquartile range; SD, standard deviation.