Skip to main content

Table 1 Characteristics of the baseline and intervention measurement cohorts

From: The effect of structured medication review followed by face-to-face feedback to prescribers on adverse drug events recognition and prevention in older inpatients – a multicenter interrupted time series study

Characteristic

Baseline measurement

(n = 250)

Intervention measurement

(n = 250)

P value*

Age, mean in years ± SD in years

76.9 ± 7.5

77.2 ± 7.9

0.655

Female, n (%)

133 (53.2)

124 (49.6)

0.421

Living independently, n (%)

211 (84.4)

196 (78.4)

0.085

Type of admission: acute admission, n (%)

213 (85.2)

223 (89.2)

0.181

Time of admission: weekday admission, n (%)

140 (56.0)

168 (67.2)

0.010

Length of staya, median; IQR

5.9; 6.0

6.0; 8.1

0.778

Number of preadmission medications, mean ± SD

7.31 ± 3.2

7.85 ± 3.7

0.084

Number of hospital medications, mean ± SD

11.0 ± 4.1

12.7 ± 5.0

<  0.001

Charlson Co-morbidity Index score, mean ± SD

2.78 ± 2.0

2.87 ± 1.9

0.613

Number of concomitant diseases, mean ± SD

3.16 ± 1.7

3.39 ± 1.9

0.150

Cognitive impairment on admissionb, n (%)

45 (18.0)

52 (20.8)

0.429

MDRD eGFRc (ml/min/1.73 m2), n (%)

n = 240

n = 245

0.946

  ≥ 60

94 (39.2)

93 (38.0)

 

 30–59

89 (37.1)

91 (37.1)

 

  ≤ 29

57 (23.8)

61 (24.9)

 
  1. SD standard deviation, IQR interquartile range, MDRD eGFR Modification of Diet in Renal Disease estimated Glomerular Filtration Rate. *Test for standard P value across quantitative or ordinal quantitative variables. aLength of stay on the Internal Medicine ward. bCognitive impairment on admission due to delirium, unconsciousness, general cognitive decline, drowsiness or psychiatric disease. cMDRD eGFR on admission