Table 4 Associations among total hip replacement indicators within the years 2008 and 2009
From: Testing the construct validity of hospital care quality indicators: a case study on hip replacement
quality indicator number | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
qi3aa | qi3b | qi3c | qi3e | qi6 | qi3d | qi2b | qi4b | qi5b | qi5c | qi5d | |||
CHI-SQUARE TEST | |||||||||||||
Quality indicator number | Quality Indicator Name (indicator type) | Year | |||||||||||
qi3a | Complication register (Sb) | 2008 | |||||||||||
2009 | |||||||||||||
qi3b | Appointment within 6 weeks (S) | 2008 | \ | ||||||||||
2009 | 19.97 (0.00)c | ||||||||||||
qi3c | Orthopaedic register form (S) | 2008 | 0.57 (0.45) | \ | |||||||||
2009 | 0.43 (0.51) | 0.09 (0.77) | |||||||||||
qi3e | Improvement plan (S) | 2008 | 0.29 (0.59) | \ | 0.13 (0.71) | ||||||||
2009 | 0.28 (0.60) | 4.38 (1.00) | 0.13 (0.71) | ||||||||||
qi6 | Countrywide implementation (S) | 2008 | 1.41 (0.24) | \ | 0.20 (0.66) | 0.10 (0.75) | |||||||
2009 | 0.43 (0.51) | 0.09 (0.77) | 0.18 (0.67) | 0.13 (0.71) | |||||||||
INDEPENDENT T-TEST | SPEARMAN CORRELATION COEFFICIENT | ||||||||||||
qi3d | Complication meeting (S) | 2008 | yes 11 | \ | yes 10.5 | yes 11 | yes 10.8 | ||||||
no 8.2 (0.41) d,e | no 13 (0.81) | no 0 (0.01) | no 8.0 (0.73) | ||||||||||
2009 | yes 11.3 | yes 11.4 | yes 11.7 | yes 11.7 | yes 11.6 | ||||||||
no 13.1 (0.86) | no 12 (0.98) | no 4.5 (0.19) | no 4.7 (0.19) | no 7 (0.74) | |||||||||
qi2b | Thrombosis prophylaxis (P) | 2008 | yes 99.9 | \ | yes 60 | yes 99.9 | yes 99.9 | 0.09 (0.50)f | |||||
no 100 (0.73) | no 100 (0.80) | no 100 (0.86) | no 100 (0.83) | ||||||||||
2009 | yes 99.9 | yes 99.8 | yes 99.8 | yes 99.8 | yes 99.8 | 0.21 (0.04) | |||||||
no 98.9 (0.19) | no 98.9 (0.18) | no 99.8 (0.89) | no 99.4 (0.52) | no 100 (0.65) | |||||||||
qi4b | Transfusion of homologous blood (P) | 2008 | yes 90.7 | \ | yes 91 | yes 99.1 | yes 90.9 | -0.16 (0.26) | 0.08 (0.58) | ||||
no 98.4 (0.09) | no 90.7 (0.98) | no 100 (0.09) | no 97.4 (0.12) | ||||||||||
2009 | yes 91.8 | yes 91.5 | yes 92 | yes 91.8 | yes 91.5 | 0.01 (0.91) | 0.17 (0.12) | ||||||
no 89.3 (0.57) | no 94.1 (0.70) | no 82.9 (0.26) | no 75.8 (0.17) | no 93.6 (0.55) | |||||||||
qi5b | Perioperative antibiotics (P) | 2008 | \ | \ | \ | \ | \ | \ | \ | \ | |||
2009 | yes 99.7 | yes 99.6 | yes 99.6 | yes 99.7 | yes 99.6 | 0.15 (0.16) | 0.27 (0.01) | 0.15 (0.17) | |||||
no 99.2 (0.60) | no 100 (0.07) | no 100 (0.06) | no 97.8 (0.39) | no 100 (0.06) | |||||||||
qi5c | Antibiotics 60–15 min (P) | 2008 | yes 97.1 | \ | \ | yes 99 | yes 97.2 | 0.15 (0.26) | -0.04 (0.79) | -0.11 (0.45) | \ | ||
no 100 ( 0.29) | no 50 (0.51) | no 100 (0.74) | |||||||||||
2009 | yes 98 | yes 98 | yes 98.4 | yes 98 | yes 97.9 | 0.10 (0.32) | 0.28 (0.01) | 0.12 (0.25) | 0.46 (0.00) | ||||
no 99 (0.57) | no 100 (0.04) | no 88.5 (0.28) | no 100 (0.03) | no 100 (0.03) | |||||||||
qi5d | Wound infections (O) | 2008 | yes 0.8 | \ | yes 0.8 | yes 0.84 | yes 0.8 | 0.12 (0.39) | -0.03 (0.84) | -0.28 (0.05) | \ | 0.20 (0.14) | |
no 1.0 (0.74) | no 1.0 (0.60) | no 0.44 (0.26) | no 0.3 (0.17) | ||||||||||
2009 | yes 0.01 | yes 0.01 | yes 0.01 | yes 0.01 | yes 0.01 | 0.01 (0.91) | -0.04 (0.71) | -0.19 (0.07) | -0.03 (0.74) | 0.04 (0.74) | |||
no 0.01 (0.43) | no 0.02 (0.001) | no 0.0 (0.42) | no 0.01 (0.72) | no 0.01 (0.89) | |||||||||