Data elements included in the base case analysis ($ in $C)
| AMI | UA | HF | COPD | Sources | |
|---|---|---|---|---|---|
| Smoking prevalence rates (95% CI) | 0.25 (0.22 to 0.29) | 0.27 (0.23 to 0.30) | 0.17 (0.14 to 0.21) | 0.34 (0.29 to 0.38) | 5 |
| Age, mean (SD) | |||||
| Usual care | 56.9 (10.2) | 58.0 (10.5) | 60.8 (13.0) | 62.3 (15.4) | 5 |
| OMSC | 57.4 (13.1) | 56.6 (12.9) | 61.4 (10.4) | 65.9 (10.6) | 5 |
| 12-month smoking abstinence rates (95% CI) | |||||
| Usual care | 0.22 (0.15 to 0.30) | 0.20 (0.13 to 0.30) | 0.17 (0.10 to 0.27) | 0.13 (0.08 to 0.21) | 5 |
| OMSC | 0.38 (0.28 to 0.51) | 0.35 (0.25 to 0.48) | 0.28 (0.20 to 0.39) | 0.24 (0.19 to 0.30) | |
| Risk of one rehospitalisation in first year (95% CI) | |||||
| Continue to smoke | 0.05 (0.03 to 0.06) | 0.10 (0.09 to 0.12) | 0.17 (0.16 to 0.19) | 0.18 (0.17 to 0.20) | 7 17–20 |
| Quit smoking | 0.04 (0.03 to 0.05) | 0.08 (0.07 to 0.10) | 0.14 (0.13 to 0.16) | 0.15 (0.14 to 0.16) | |
| Risk of two or more rehospitalisations in first year (95% CI) | |||||
| Continue to smoke | 0.03 (0.02 to 0.04) | 0.03 (0.02 to 0.05) | 0.09 (0.07 to 0.11) | 0.14 (0.12 to 0.15) | 7 17–20 |
| Quit smoking | 0.02 (0.01 to 0.04) | 0.03 (0.01 to 0.04) | 0.08 (0.06 to 0.09) | 0.11 (0.10 to 0.13) | |
| Rehospitalisation cost, mean (SD) | $9559 ($14 539) | $5950 ($6932) | $10 029 ($16 696) | $8808 ($16 795) | 21 |
| Length of stay of rehospitalisation (days), mean (SD) | 5.6 (9.8) | 4.1 (4.9) | 9.7 (12.8) | 8.4 (14.5) | 21 |
| Risk of death in first year (95% CI) | |||||
| Continue to smoke | 0.14 (0.13 to 0.15) | 0.09 (0.08 to 0.10) | 0.48 (0.47 to 0.49) | 0.09 (0.09 to 0.09) | 19 20 22–25 |
| Quit smoking | 0.09 (0.08 to 0.10) | 0.06 (0.05 to 0.07) | 0.31 (0.30 to 0.31) | 0.06 (0.06 to 0.06) | |
| Utility scores | |||||
| Continue to smoke | 0.53 | 0.52 | 0.48 | 0.50 | 26 27 |
| Quit smoking | 0.55 | 0.54 | 0.50 | 0.52 | |
| Life expectancy, mean number of years remaining | |||||
| Continue to smoke | 7.58 | 7.42 | 5.19 | 7.75 | 28–30 |
| Quit smoking | 8.76 | 8.64 | 6.07 | 9.01 | |
| Intervention costs (per patient) | |||||
| Personnel costs to complete in-hospital consultation | $20.63 | $20.63 | $20.63 | $20.63 | |
| In-hospital pharmacotherapy | $13.95* | $9.23* | $21.60* | $21.25* | |
| Automated follow-up system fee | $10.30 | $10.30 | $10.30 | $10.30 | |
| Personnel costs to complete follow-up counselling calls | $27.24 | $27.24 | $27.24 | $27.24 | |
| Total intervention cost | $71.50 | $66.98 | $78.81 | $76.44 | |
*Pharmacotherapy costs differ by diagnosis due to differing mean lengths of stay (LOS): AMI, mean LOS 5.6 days; UA, mean LOS 4.1 days; HF, mean LOS 9.7 days; COPD, mean LOS 8.4 days.
AMI, acute myocardial infarction; COPD, chronic obstructive pulmonary diseases; HF, heart failure; OMSC, Ottawa model for smoking cessation; UA, unstable angina pectoris.