Table 6

Percentage change in variance of the estimate: complete cost collection vs. incomplete cost collection
Complete cost collection Incomplete cost collection
Extrapolation Interpolation
Alt 0a Alt 1b Alt 2c Alt 3d Alt 4e Alt 5f Alt 6d
Cost category (SD) (SD) shift (SD) shift (SD) shift (SD) shift (SD) shift (SD) shift
Sum of direct healthcare costs (936.67) (946.22) 1.02 (962.29) 2.74 (997.06) 6.45 (917.58) −2.04 (962.72) 2.78 (936.79) 0.01
Sum of direct non-healthcare costs (2568.91) (2534.07) −1.36 (2589.39) 0.80 (2598.16) 1.14 (2534.93) −1.32 (2611.32) 1.65 (2577.07) 0.32
Sum of costs (2864.38) (2827.43) −1.29 (2882.21) 0.62 (2893.05) 1.00 (2807.64) −1.98 (2911.74) 1.65 (2836.42) −0.89

aAlternative 0, complete cost collection.

bAlternative 1, incomplete cost collection, omitted quarter 2, replaced by quarter 3.

cAlternative 2, incomplete cost collection, omitted quarter 3, replaced by quarter 4.

dAlternative 3, incomplete cost collection, omitted quarters 2 and 3, replaced by quarter 4.

eAlternative 4, incomplete cost collection, omitted quarter 2, replaced by quarters 1 and 3.

fAlternative 5, incomplete cost collection, omitted quarter 3, replaced by quarters 2 and 4.

gAlternative 6, incomplete cost collection, omitted quarters 2 and 3, replaced by quarters 1 and 4.

Seidl et al.

Seidl et al. BMC Health Services Research 2012 12:318   doi:10.1186/1472-6963-12-318

Open Data