Personal details and profile of the 74 physicians who wrote parallel charts
| Sex | |
| Female | 42 (31) |
| Male | 58 (43) |
| Age years | 52 (31–69) |
| Professional years | 23 (5–40) |
| Region of origin | |
| Northern Italy | 45 (33) |
| Central Italy | 27 (20) |
| Southern Italy | 28 (21) |
| Work setting | |
| Working in a hospital | 47 (35) |
| Working in local public healthcare facilities | 41 (30) |
| Working in a private clinic | 9 (7) |
| Working as a private practitioner | 3 (2) |
| Specialisation | |
| Respiratory diseases | 86 (64) |
| Internal medicine | 14 (10) |
Data are presented as % (n) or mean (range).