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Table 2 Statistics for triggered and untriggered sites (number of patients, time since first randomisation, and score)

From: Implementing monitoring triggers and matching of triggered and control sites in the TEMPER study: a description and evaluation of a triggered monitoring management system

 

Triggered sites

Untriggered sites

Within-pair difference

Patientsa

Monthsb

Ln of monthsc

Score

Patientsa

Monthsb

Ln of monthsc

Score

Patientsa

Monthsb

Ln of monthsc

Score

Max

250

117.6

4.77

6

149

110.9

4.71

3

128

24.3

0.39

6

Mean

49.9

70.3

4.21

4.0

41.4

71.7

4.24

0.8

8.5

−1.4

−0.03

3.1

Min

3

30.6

3.42

2

3

34.6

3.54

0

−8

−39.3

−0.64

1

  1. aNumber of patients randomised at site
  2. bNumber of months since first site randomisation
  3. cNatural logarithm of number of months since first site randomisation