Study population characteristics and outcomes
| Variable | Control group | Interprofessional training ward (IPTW) | IPTW subgroups* | |
| n=4652 | n=1109 | Full n=418 | Mixed n=691 | |
| Age | 63.5 (±20.0) | 61.0 (±21.7) | 54.9 (±20.3) | 64.7 (±21.7) |
| Sex | ||||
| Male | 1930 (41.5%) | 468 (42.2%) | 201 (48.1%) | 267 (38.6%) |
| Female | 2722 (58.5%) | 641 (57.8%) | 217 (51.9%) | 424 (61.4%) |
| Type of care | ||||
| Acute | 3040 (65.3%) | 859 (77.5%) | 239 (57.2%) | 620 (89.7%) |
| Elective | 1610 (34.6%) | 248 (22.4%) | 178 (42.6%) | 70 (10.1%) |
| Missing | 2 (0.0%) | 2 (0.2%) | 1 (0.2%) | 1 (0.1%) |
| Length of stay (days) | 4.5 (±2.5) | 4.4 (±2.7) | 2.5 (±0.8) | 5.6 (±2.8) |
| Charlson’s index† | 0.2 (±0.7) | 0.2 (±0.7) | 0.2 (±0.5) | 0.3 (±0.8) |
| Died during stay | 6 (0.1%) | 1 (0.1%) | 0 (0.0%) | 1 (0.1%) |
| Readmission at 90 days | ||||
| No | 4024 (86.5%) | 954 (86.0%) | 380 (90.9%) | 574 (83.1%) |
| Yes | 628 (13.5%) | 155 (14.0%) | 38 (9.1%) | 117 (16.9%) |
| 1-year mortality | ||||
| Alive | 4412 (94.8%) | 1050 (94.7%) | 410 (98.1%) | 640 (92.6%) |
| Dead | 240 (5.2%) | 59 (5.3%) | 8 (1.9%) | 51 (7.4%) |
Continuous variables are presented as the mean and SD.
↵*Student exposure denotes the proportion of patients’ hospital stay in days that they were exposed to student teams. No exposure denotes patients treated at a usual care ward with no student exposure. Full exposure denotes patients treated at the IPTW with student exposure 100% of their hospital stay in days. Mixed exposure denotes patients treated at the IPTW with student exposure >0% but <100% of their hospital stay in days.
↵†Comorbidity measured according to Charlson’s Index.16