| Complete cost collection | Incomplete cost collection | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  | Extrapolation | ||||||||||||
 |  | Omitted quarters | ||||||||||||
 | Alt 0a | Alt 1b | Alt 2c | Alt 3d | ||||||||||
 |  |  | Quarter 2 (by 3) | Quarter 3 (by 4) | Quarter 2 and 3 (by 4) | |||||||||
Cost category | mean | (SD) | mean | (SD) | mean difference | (StdErr) | mean | (SD) | mean difference | (StdErr) | mean | (SD) | mean difference | (StdErr) |
Direct healthcare costs | ||||||||||||||
 Physicians | 523.38 | (358.27) | 517.57 | (365.32) | 5.81 | (9.51) | 525.99 | (370.53) | 2.62 | (6.67) | 522.75 | (377.53) | 0.63 | (11.91) |
 Physiotherapist | 69.29 | (162.63) | 66.69 | (166.77) | 2.61 | (3.78) | 71.38 | (178.98) | 2.09 | (3.33) | 70.91 | (202.65) | 1.62 | (6.73) |
 Ambulatory clinic in hospital | 35.79 | (110.83) | 42.89 | (181.93) | 7.10 | (6.00) | 28.60 | (83.44) | 7.19 | (5.30) | 28.41 | (99.47) | 7.38 | (6.20) |
 Drugs | 1315.52 | (707.38) | 1312.68 | (721.69) | 2.84 | (7.97) | 1291.31 | (709.17) | **24.21 | (7.54) | 1264.26 | (739.52) | **51.26 | (16.33) |
Sum of direct healthcare costs | 1943.99 | (936.67) | 1939.82 | (946.22) | 4.18 | (14.01) | 1917.28 | (962.29) | **26.71 | (12.04) | 1886.32 | (997.06) | **57.67 | (22.20) |
Direct non-healthcare costs | ||||||||||||||
 Outpatient nursing service | 145.44 | (593.85) | 140.63 | (569.41) | 4.81 | (10.17) | 135.29 | (573.69) | 10.15 | (9.10) | 120.36 | (549.63) | 25.08 | (19.36) |
 Paid household help | 418.46 | (2455.42) | 416.48 | (2433.88) | 1.97 | (20.61) | 411.48 | (2489.45) | 6.97 | (23.66) | 402.53 | (2527.39) | 15.93 | (45.70) |
Sum of direct non-healthcare costs | 563.89 | (2568.91) | 557.11 | (2534.07) | 6.78 | (22.98) | 546.77 | (2589.39) | 17.12 | (24.27) | 522.89 | (2598.16) | 41.00 | (46.89) |
Sum of costs | 2507.88 | (2864.38) | 2496.93 | (2827.43) | 10.96 | (28.11) | 2464.05 | (2882.21) | 43.83 | (27.12) | 2409.21 | (2893.05) | *98.67 | (54.67) |