Skip to main content
. 2011 Jan 5;21(1):75–80. doi: 10.2188/jea.JE20100095

Table 2. Mean numbers of inpatient, outpatient, pharmacy, and dental claims per year.

  Baseline After intervention Difference



  Intervention group Control group Intervention group Control group Intervention group Control group
  Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD)
Inpatient 0.1 (0.3) 0.1 (0.2) 0.1 (0.3) 0.2 (0.7) 0.0 (0.4) 0.2 (0.8)
Log-transformed value 0.0 (0.1) 0.0 (0.1) 0.0 (0.1) 0.0 (0.1) 0.0 (0.0) 0.0 (0.1)

Outpatient 6.3 (6.3) 5.1 (5.5) 10.4 (8.3) 8.7 (7.8) 4.2 (5.9) 3.6 (5.7)
Log-transformed value 0.7 (0.4) 0.6 (0.4) 0.9 (0.4) 0.8 (0.4) 0.2b (0.3) 0.2a (0.4)

Pharmacy 0.9 (1.9) 0.8 (2.1) 4.8 (5.4) 5.3 (6.3) 3.9 (4.8) 4.5 (6.5)
Log-transformed value 0.2 (0.3) 0.1 (0.3) 0.6 (0.4) 0.6 (0.4) 0.4b (0.4) 0.5b (0.5)

Dental 1.4 (1.8) 1.3 (1.6) 2.8 (3.4) 1.8 (2.2) 1.5 (3.7) 0.5 (2.4)
Log-transformed value 0.3 (0.3) 0.3 (0.3) 0.5 (0.3) 0.3 (0.3) 0.2b (0.4) 0.1 (0.4)

Abbreviation: SD, standard deviation.

aP < 0.01, bP < 0.001.