| Subanalysis | Acute a (N = 118) | Chronic b (N = 267) | P value |
| Time to visit, months (median, range) | 6 (0–12) | 47 (13‐595) | <0.0001 |
| Time on call, minutes (mean ± SD) | 25.8 ± 15.9 | 22.4 ± 7.6 | 0.0142 |
| Total discrepancies, n | 1 (0‐7) | 3 (0‐10) | 0.0013 |
| Interventions, n (median, range) | |||
| Interventions sent per call | 3 (0–7) | 3 (0‐9) | 0.3085 |
| Actionable interventions per call | 2 (0–6) | 1 (0–7) | 0.0189 |
| Interventions acted upon per call | 0 (0–3) | 0 (0–3) | 0.0437 |
| Severity of error, n (%) | 0.8838 | ||
| A | 3 (1.0) | 4 (0.7) | |
| B | 3 (1.0) | 16 (2.6) | |
| C | 57 (19.1) | 98 (16.2) | |
| D | 117(40.8) | 250 (41.4) | |
| E | 107 (37.3) | 236 (39.1) | |
| Value of service, n (%) | 0 (0.0) | 0.9836 | |
| 1 | 1 (0.3) | ||
| 2 | 9 (3.1) | 25 (4.1) | |
| 3 | 52 (18.1) | 111 (18.4) | |
| 4 | 110 (38.3) | 217 (35.9) | |
| 5 | 115 (40.1) | 251 (41.6) |
a
Acute: <12 months posttransplant.
b
Chronic: > 12 months posttransplant.