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. 2011 Dec 15;9:18. doi: 10.1186/1477-9560-9-18

Table 2.

Characteristics' comparison between non-appropriate and appropriate prescriptions

Non-appropriate prescription
(n = 122)
n (%)
Appropriate prescription
(n = 188)
n (%)
p value
Male Sex 55 (45.1) 94 (50) 0.397
Age --Mean (SD) 65.22 (20.9) 66.85 (20.6) 0.501
Diagnosis 0.020
 Infections 49 (40.2) 75 (39.9)
 Neurological disorders 19 (15.6) 21 (11.2)
 Gastrointestinal diseases 5 (4.1) 26 (13.8)
 Electrolyte disturbances 9 (7.4) 16 (8.5)
 Cancer/Chemotherapy 7 (5.7) 12 (6.4)
 Respiratory diseases 6 (4.9) 10 (5.3)
 Cardiac diseases 9 (7.4) 2 (1.1)
 Others 18 (14.8) 26 (13)
Contraindications for pharmacologic prophylaxis 15 (12.3) 39 (20.7) 0.055
Surgery 24 (19.7) 14 (7.4) 0.001
Prophylaxis prescription upon admission 96 (78.7) 163 (88.2) 0.024
Obesity 12 (9.8) 9 (4.8) 0.084
Renal failure 21 (17.2) 29 (15.5) 0.676
Prophylaxis discontinuation during hospitalization 18 (14.8) 16 (8.5) 0.086
Stay at ICU during hospitalization 31 (25.4) 39 (20.7) 0.337
Study enrollment 0.020
 First half 71 (58.2) 84 (44.7)
 Second half 51 (41.8) 104 (55.3)
Risk Group 0.001
 A 21 (17.2) 76 (40.4)
 B 48 (39.3) 38 (20.2)
 C 33 (27) 59 (31.4)
 D 6 (4.9) 0 (0)
 E 14 (11.5) 15 (8)

SD = Standard Deviation

ICU = Intensive care unit