Table 4. Comparing the rate of hazardous prescribing at 6 months and 12 months postintervention to preintervention, adjusted for general practice and calendar time.
| Preimplementation | 6 Months | 12 Months | ||||||
|---|---|---|---|---|---|---|---|---|
| Outcome | Numeratora/Denominatora (Raw Rateb) |
Fitted rateb,c | Numeratora/Denominatora (Raw Rateb) |
Fitted rateb,c | OR (95% CI)d | Numeratora/Denominatora (Raw Rateb) |
Fitted rateb,c | OR (95% CI)d |
| Overall composite | 22,503/853,631 (26.4) |
26.7 (26.6:26.7) |
11,901/591,364 (20.1) |
22.3 (22.3:22.4) |
0.83 (0.80:0.86) |
3,868/201,992 (19.1) |
22.7 (22.6:22.8) |
0.85 (0.8: 0.90) |
| GI composite | 16,185/515,879 (31.4) |
32.4 (32.4:32.4) |
7,607/358,349 (21.2) |
24.8 (24.8:24.9) |
0.76 (0.73:0.80) |
2,369/121,534 (19.5) |
24.8 (24.7:24.9) |
0.76 (0.7: 0.82) |
| Indicator A | 8,977/333,980 (26.9) |
26.3 (26.3:26.4) |
3,921/233,533 (16.8) |
19.3 (19.3:19.4) |
0.73 (0.69:0.77) |
1,015/78,187 (13.0) |
18.1 (17.9:18.2) |
0.68 (0.60:0.77) |
| Indicator B | 573/22,484 (25.5) |
23.7 (23.6:23.7) |
274/14,700 (18.6 |
19.0 (18.9:19.1) |
0.80 (0.69:0.92) |
76/5,158 (14.7) |
16.9 (16.7:17.2) |
0.71 (0.57:0.89) |
| Indicator C | 1,947/22,484 (86.6) |
78.9 (78.8:79.0) |
954/14,700 (64.9) |
63.4 (63.3:63.5) |
0.79 (0.73:0.85) |
307/5,158 (59.5) |
59.4 (59.2:59.5) |
0.74 (0.66:0.83) |
| Indicator D | 44,569/44,569 (13.7) |
12.0 (11.9:12.1) |
470/36,014 (13.1) |
11.9 (11.8:12.0) |
0.99 (0.88:1.11) |
180/12,700 (14.2) |
11.2 (11.0:11.4) |
0.93 (0.80:1.09) |
| Indicator E | 11,114/28,507 (39.1) |
38.4 (38.4:38.5) |
578/22,289 (25.9) |
27.0 (26.9:27.1) |
0.70 (0.62:0.77) |
251/7,729 (32.5) |
30.4 (30.2:30.5) |
0.78 (0.66:0.92) |
| Indicator F | 2,962/63,855 (46.4) |
45.4 (45.3:45.4) |
1,410/37,113 (38.0) |
36.7 (36.7:36.8) |
0.80 (0.75:0.86) |
540/12,602 (42.9) |
39.1 (39.0:39.3) |
0.86 (0.76:0.97) |
| Indicator G | 2,311/260,050 (8.9) |
7.6 (7.5:7.6) |
1,750/178,020 (9.8) |
7.3 (7.2:7.4) |
0.96 (0.91:1.02) |
710/62,689 (11.3) |
7.7 (7.6:7.8) |
1.02 (0.94:1.11) |
| Indicator H | 884/5,571 (158.7) |
184.6 (184.5:184.7) |
504/2,961 (170.2) |
194.0 (193.8:194.1) |
1.06 (0.95:1.19) |
120/688 (174.4) |
165.9 (165.7:166.2) |
0.88 (0.70:1.10) |
| Indicator I | 498/22,019 (22.6) |
20.5 (20.4:20.5) |
285/16,120 (17.7) |
18.2 (18.1:18.4) |
0.89 (0.80:0.99) |
91/5,238 (17.4) |
16.8 (16.6:17.1) |
0.82 (0.66:1.02) |
| Indicator J | 1,903/19,837 (95.9) |
81.6 (81.5:81.7) |
1,358/14,476 (93.8) |
86.6 (86.5:86.7) |
1.07 (0.99:1.15) |
461/4,843 (95.2) |
93.8 (93.7:93.9) |
1.16 (1.04:1.30) |
| Indicator K | 722/30,275 (23.9) |
20.6 (20.5:20.7) |
397/21,438 (18.5) |
19.3 (19.1:19.4) |
0.93 (0.83:1.05) | 117/7,000 (16.7) |
17.1 (16.9:17.3) |
0.83 (0.68:1.00) |
aNumber at risk and preintervention rates estimated as mean over the 4 quarters prior to intervention at each site.
bRate per 1,000 patients at risk.
cFitted rates are adjusted for calendar time and general practice.
dOdds ratio relative to preimplementation.