Table 2.
Hypothesized indicator association and direction of association
| Hypothesized indicator associations | Evidence for expected indicator association | Expected correlation association | p-value indicator | ||
|---|---|---|---|---|---|
| Association strength | |||||
| 2008 | 2009 | ||||
| haa 1 | having a thrombosis prophylaxis management guideline (qi2ab) and the percentage of patients who accurately receive a thrombosis prophylaxis (qi2b) | [29] | positive | / | / |
| ha 2 | having a blood management guideline (qi4a) and the percentage of patients who do not receive a blood transfusion (qi4b) | [29, 30] | positive | / | / |
| ha 3 | having a guideline for antibiotic prophylaxis (qi5a) and the percentage of patients who receive antibiotic prophylaxis perioperative (qi5b) [25] | [29] | positive | / | / |
| ha 4 | having a guideline for antibiotic prophylaxis (qi5a) and the percentage of patients who receive antibiotic prophylaxis 60–15 min before incision (qi5c) [25] | [29] | positive | / | / |
| ha 5 | the percentage of patients who receive their perioperative antibiotic prophylaxis in a timely manner (qi5b) and the percentage of patients with deep wound infection (qi5d) [26–28] | [30–32] | negative | / | 0.74 |
| ha 6 | the percentage of patients that receive antibiotic prophylaxis 60–15 min before incision (qi5c) and the percentage of patients with deep wound infection (qi5d) [26–28] | [30–32] | negative | 0.14 | 0.74 |
| ha 7 | the percentage of patients who receive no blood transfusion (qi4b) and the percentage of patients with deep wound infection (qi5d) [29, 30] | [33, 34] | negative | 0.05 | 0.07 |
| ha 8 | having a timely postoperative appointment (q3b) and the percentage of deep wound infections (qi5d) | negative | / | 0.001 | |
| ha 9 | having a complication register (qi3a) and providing a thrombosis prophylaxis (qi2b) | positive | 0.73 | 0.19 | |
| ha 10 | having a complication register (qi3a) and the percentage of patients receiving no blood transfusion (qi4b) | positive | 0.09 | 0.57 | |
| ha 11 | having a complication register (qi3a) and the percentage of patients receiving perioperative antibiotic prophylaxis (qi5b) | positive | / | 0.60 | |
| ha 12 | having a complication register (qi3a) and the percentage of patients receiving antibiotic prophylaxis 60–15 min before incision (qi5c) | positive | 0.29 | 0.57 | |
| ha 13 | having a complication register (qi3a) and the percentage of patients with deep wound infection (qi5d) | negative | 0.74 | 0.43 | |
| ha 14 | having an orthopaedic registration form (qi3c) and the percentage of patients receiving thrombosis prophylaxis (qi2b) | [35] | positive | 0.80 | 0.89 |
| ha 15 | having an orthopaedic registration form (qi3c) and the percentage of patients receiving no blood transfusion (qi4b) | [35] | positive | 0.98 | 0.26 |
| ha 16 | having an orthopaedic registration form (qi3c) and the percentage of patients receiving perioperative antibiotic prophylaxis (qi5b) | [35] | positive | / | 0.06 |
| ha 17 | having an orthopaedic registration form (qi3c) and the percentage of patients receiving antibiotic prophylaxis 60–15 min before incision (qi5c) [31] | [35] | positive | / | 0.28 |
| ha 18 | having an orthopaedic registration form (qi3c) and the percentage of patients with deep wound infections (qi5d) [31] | [35] | positive | 0.60 | 0.42 |
| ha 19 | having complication meetings (qi3d) and the percentage of patients receiving thrombosis prophylaxis (qi2b) | positive | 0.50 | 0.04 | |
| ha 20 | having complication meetings (qi3d) and the percentage of patients receiving no blood transfusion (qi4b) | positive | 0.26 | 0.91 | |
| ha 21 | having complication meetings (qi3d) and the percentage of patients receiving perioperative antibiotic prophylaxis (qi5b) | positive | / | 0.16 | |
| ha 22 | having complication meetings (qi3d) and the percentage of patients receiving antibiotic prophylaxis 60–15 min before incision (qi5c) | positive | 0.26 | 0.32 | |
| ha 23 | having complication meetings (qi3d) and the percentage of patients with deep wound infections (qi5d) | negative | 0.39 | 0.91 | |
| ha 24 | having an improvement plan to avoid complications (qi3e) and the percentage of patients receiving thrombosis prophylaxis (qi2b) | positive | 0.86 | 0.52 | |
| ha 25 | having an improvement plan to avoid complications (qi3e) and the percentage of patients receiving no blood transfusion (qi4b) | positive | 0.09 | 0.17 | |
| ha 26 | having an improvement plan to avoid complications (qi3e) and the percentage of patients receiving perioperative antibiotic prophylaxis (qi5b) | positive | / | 0.39 | |
| ha 27 | having an improvement plan to avoid complications (qi3e) and the percentage of patients receiving antibiotic prophylaxis 60–15 min before incision (qi5c) | positive | 0.51 | 0.05 | |
| ha 28 | having an improvement plan to avoid complications (qi3e) and the percentage of patients with deep wound infections (qi5d) | negative | 0.26 | 0.72 | |
a hypothesized association (ha), bquality indicator (qi)