Table 5 |
||||||||||||||
| Complete cost collection vs. incomplete cost collection and interpolation (by the respective quarters), n=234 | ||||||||||||||
| Complete cost collection | Incomplete cost collection | |||||||||||||
| Interpolation | ||||||||||||||
| Omitted quarters | ||||||||||||||
| Alt 0a | Alt 4b | Alt 5c | Alt 6d | |||||||||||
| Quarter 2 (by 1 and 3) | Quarter 3 (by 2 and 4) | Quarters 2 and 3 (by 1 and 4) | ||||||||||||
| Cost category | means | (SD) | means | (SD) | means in difference | (StdErr) | means | (SD) | means in difference | (StdErr) | means | (SD) | means in difference | (StdErr) |
| Direct healthcare costs | ||||||||||||||
| Physicians | 523.38 | (358.27) | 508.40 | (343.27) | 14.97 | (8.58) | 527.56 | (383.66) | 4.19 | (7.03) | 501.87 | (344.89) | 21.51 | (11.62) |
| Physiotherapist | 69.29 | (162.63) | 64.97 | (164.25) | 4.31 | (3.23) | 71.61 | (175.50) | 2.32 | (2.83) | 65.37 | (185.64) | 3.92 | (5.42) |
| Ambulatory clinic in hospital | 35.79 | (110.83) | 37.93 | (142.50) | 2.14 | (3.66) | 28.62 | (84.32) | 7.18 | (5.45) | 25.88 | (76.71) | *9.91 | (5.88) |
| Drugs | 1315.52 | (707.38) | 1306.92 | (701.52) | 8.60 | (7.23) | 1304.79 | (707.09) | *10.72 | (5.75) | 1276.92 | (692.75) | **38.60 | (12.53) |
| Sum of direct healthcare costs | 1943.99 | (936.67) | 1918.23 | (917.58) | **25.77 | (11.82) | 1932.58 | (962.72) | 11.41 | (10.89) | 1870.04 | (936.79) | **73.95 | (19.96) |
| Direct non-healthcare costs | ||||||||||||||
| Outpatient nursing service | 145.44 | (593.85) | 138.62 | (546.78) | 6.82 | (11.98) | 142.76 | (608.39) | 2.67 | (7.35) | 126.47 | (537.84) | 18.97 | (20.85) |
| Paid household help | 418.46 | (2455.42) | 410.15 | (2442.17) | 8.30 | (21.42) | 415.96 | (2494.90) | 2.50 | (17.83) | 396.86 | (2506.58) | 21.60 | (39.02) |
| Sum of direct non-healthcare costs | 563.89 | (2568.91) | 548.77 | (2534.93) | 15.12 | (23.25) | 558.73 | (2611.32) | 5.17 | (19.07) | 523.33 | (2577.07) | 40.57 | (39.89) |
| Sum of costs | 2507.88 | (2864.38) | 2467.00 | (2807.64) | 40.89 | (28.29) | 2491.31 | (2911.74) | 16.58 | (21.78) | 2393.36 | (2836.42) | **114.5 | (47.70) |
*p-value of paired t-test/bootstrapping of differences between complete and incomplete cost collection <0.10.
**p-value of paired t-test/bootstrapping of differences between complete and incomplete cost collection <0.05.
aAlternative 0, complete cost collection.
bAlternative 4, incomplete cost collection, omitted quarter 2, replaced by quarters 1 and 3.
cAlternative 5, incomplete cost collection, omitted quarter 3, replaced by quarters 2 and 4.
dAlternative 6, incomplete cost collection, omitted quarters 2 and 3, replaced by quarters 1 and 4.
Seidl et al. BMC Health Services Research 2012 12:318 doi:10.1186/1472-6963-12-318
