Table 3.
Failure mode quantification: severity, probability, and hazard scores before and after corrective actions.
| Median severity score [IQR], (total range) | p-valuea | Median probability score [IQR], (total range) | p-valuea | Median hazard score [IQR], (total range) | p-valuea | ||||
|---|---|---|---|---|---|---|---|---|---|
| Hospitals | Before CA | After CA | Before CA | After CA | Before CA | After CA | |||
| H-AT | 3 [2.25–3], (2–3) |
3 [2.25–3], (2–3) |
n.a. | 3 [2.25–4], (1–4) |
2 [1–2.75], (1–4) |
0.002 | 8.5 [6.5–9], (3–12) |
6 [3–6], (2–9) |
0.002 |
| H-BE | 3 [2.75–3], (2–4) |
3 [2–3], (1–4) |
0.276 | 3 [1.75–4], (1–4) |
1.5 [1–2.25], (1–3) |
0.001 | 8 [5.5–9], (3–12) |
4 [3–6], (2–9) |
0.001 |
| H-CR | 4 [4–4], (4–4) |
4 [3–4], (3–4) |
0.002 | 3 [2–4], (1–4) |
2 [1–2], (1–3) |
<0.001 | 12 [8–16], (4–16) |
6 [4–8], (3–12) |
<0.001 |
| H-GR | 3 [3–4], (2–4) |
3 [2.5–4], (2–4) |
<0.001 | 4 [3–4], (3–4) |
2 [2–2], (1–2) |
<0.001 | 12 [12–12], (8–16) |
6 [4–8], (2–8) |
<0.001 |
| H-SP | 3 [2–3.25], (2–4) |
3 [2–3], (2–4) |
0.317 | 4 [2.75–4], (2–4) |
2 [1.75–2], (1–2) |
0.001 | 8 [8–9.75], (8–12) |
4 [4–6], (3–6) |
0.001 |
| H-SR | 3 [3–3], (3–4) |
3 [3–3], (2–3) |
0.005 | 3 [3–3], (2–4) |
1 [1–1], (1–2) |
<0.001 | 9 [9–9], (6–12) |
3 [3–3], (2–6) |
<0.001 |
| Total | 3 [3–4], (2–4) |
3 [3–4], (1–4) |
<0.001 | 3 [2–4], (1–4) |
2 [1–2], (1–4) |
<0.001 | 9 [8–12], (3–16) |
4 [3–6], (2–12) |
<0.001 |
IQR, interquartile range; CA, corrective actions.
a
p-value estimated by Wilcoxon signed-rank test.