Group | Questionnaires posted | Number (%) returned | Incomplete response* | Valid number | Would not wish treatment | Median benefit (% saved from heart attack in 5 years) | Interquartile range | Rank sum p for difference | Mean age |
---|---|---|---|---|---|---|---|---|---|
*Incomplete response, did not answer the question about absolute benefit. †Rank sum differences between patient groups are between that group and all other patients. ‡Rank sum difference between general practitioners and advisors/managers. §Age group differences compare over 55 with 55 years or under. One inner city practice patient did not include details of age, sex, personal or family history of heart attack. | |||||||||
Suburban patients | 160 | 81 (51) | 8 | 71 | 2 | 30 | 2 to 60 | 0.0004† | 52 |
Inner city patients | 204 | 52 (26) | 13 | 37 | 1 | 50 | 30 to 75 | 50 | |
Cardiac clinic patients | 9 | 32 | 55 | 50 to 75 | 0.38† | 61 | |||
Homeless | 0 | 23 | 70 | 5 to 100 | 0.36† | 41 | |||
General practitioners | 100 | 43 (43) | 11 | 88 | 2 | 10 | 5 to 30 | 38 | |
Advisors/managers | 35 | 29 (83) | 5 | 67 | 4 | 20 | 10 to 50 | 0.04‡ | 38 |
All patients | 30 | 163 | 4 | 50 | 10 to 75 | <0.0001 | 52 | ||
Health professionals | 16 | 155 | 6 | 10 | 5 to 38 | (patients v professionals) | 38 | ||
Male | 24 | 170 | 3 | 25 | 5 to 60 | 0.5 | 47 | ||
Female | 22 | 147 | 6 | 30 | 10 to 65 | 43 | |||
Age <36 | 14 | 113 | 4 | 20 | 5 to 50 | ||||
Age 36–55 | 12 | 101 | 4 | 20 | 5 to 50 | ||||
Age >55 | 20 | 103 | 1 | 50 | 10 to 75 | 0.0002§ | |||
Personal history of “heart attack” | |||||||||
Yes | 9 | 27 | 0 | 70 | 50 to 95 | <0.0001 | 60 | ||
No | 37 | 290 | 9 | 20 | 3 to 50 | 44 | |||
Patients only personal history of “heart attack” | |||||||||
Yes | 9 | 25 | 75 | 50 to 95 | <0.0001 | 61 | |||
No | 21 | 137 | 50 | 10 to 70 | 50 | ||||
Family history of “heart attack” | |||||||||
Yes | 16 | 110 | 2 | 50 | 10 to 75 | 0.0004 | 50 | ||
No | 30 | 207 | 7 | 20 | 10 to 50 | 42 | |||
All | 46 | 318 | 9 | 25 | 5 to 60 | 45 |