Table 5.
Severity and preventability of adverse events
|
Category of harm HMPS method |
HMPS method after review stage 2 |
HMPS method after review stage 3 |
||
|---|---|---|---|---|
| n (%) of AEs | n (%) of preventable AEs | n (%) of AEs | n (%) of preventable AEs | |
| Minimal impairment, recovery within 1 month |
116 (76.8) |
104 (89.7) |
120 (77.4) |
108 (90.0) |
| Moderate impairment, recovery within 1 to 6 months |
20 (13.2) |
17 (85.0) |
20 (12.9) |
17 (85.0) |
| Moderate impairment, recovery within 6 to 12 months |
9 (6.0) |
6 (66.7) |
9 (5.8) |
6 (66.7) |
| Permanent impairment, degree of disability <50% |
4 (2.6) |
3 (75.0) |
4 (2.6) |
3 (75.0) |
| Permanent impairment, degree of disability >50% |
1 (0.7) |
1 (100.0) |
1 (0.6) |
1 (100.0) |
| Contributed to patient death |
1 (0.7) |
0 (0.0) |
1 (0.6) |
0 (0.0) |
| Unable to determine |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
| Total n of AE |
151 (100.0) |
131 (86.8) |
155 (100.0) |
135 (87.1) |
|
Category of harm GTT |
GTT after review stage 2 |
GTT after review stage 3 |
||
| |
n (%) of AEs |
n (%) of preventable AEs |
n (%) of AEs |
n (%) of preventable AEs |
| E Contributed to or resulted in temporary harm to the patient and required intervention |
51 (51.5) |
41 (80.4) |
78 (56.9) |
63 (80.8) |
| F Contributed to or resulted in temporary harm to the patient and required initial or prolonged hospitalisation |
42 (42.4) |
31 (73.8) |
51 (37.2) |
40 (78.4) |
| G Contributed to or caused permanent patient harm |
5 (5.1) |
5 (100.0) |
7 (5.1) |
7 (100.0) |
| H Intervention required to sustain life |
1 (1.0) |
0 (0.0) |
1 (0.7) |
0 (0.0) |
| I Contributed to patient death |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
| Total n of AE | 99 (100.0) | 77 (77.8) | 137 (100.0) | 110 (80.3) |
AE, adverse events; HMPS, “Harvard Medical Practice Study”; GTT, “Global Trigger Tool”.