Table 3.
Interrupted Time-Series Analysis of Oral Third-Generation Cephalosporins for Outpatients in 3 Groups
| Group | Trend During Phase 1; β 1 (95% CI) |
P
Value |
Change in Level; β 2 (95% CI) |
P
Value |
Change in Slope Between 2 Phases; β 3 (95% CI) |
P
Value |
|---|---|---|---|---|---|---|
| All | −1.16 (−1.35 to −0.97) |
<.001 | 7.67 (2.94 to 12.39) |
.002 | −0.69 (−1.36 to −0.02) |
.044 |
| Ophthalmology | −8.78 (−10.55 to −7.02) |
<.001 | 45.48 (1.12 to 89.83) |
.045 | 8.82 (2.52 to 15.13) |
.008 |
| Dermatology | −0.92 (−2.35 to 0.51) |
.20 | −6.94 (−43.01 to 29.14) |
.70 | −6.90 (−12.02 to −1.77) |
.01 |
Note. CI, confidence interval.