Table 4.
Percentage of inpatients receiving a chest radiograph (CXR), antibiotics or number of laboratory tests ordered
| Alberta Children’s Hospital | |||
|---|---|---|---|
| ROST | Standard | p value | |
| Percent with CXR ordera | |||
| All results | 17.1 (12.3–23.3) | 28.9 (23.0–35.6) | 0.0073 |
| Flu positive | 9.09 (1.62–27.8) | 16.0 (6.40–34.7) | 0.67 |
| RSV positive | 22.5 (12.3–37.5) | 36.8 (23.4–52.7) | 0.22 |
| Flu & RSV negative | 16.8 (11.2–24.5) | 29.0 (21.9–37.3) | 0.025 |
| Mean number of laboratory tests orderedb | |||
| All results | 3.85 (2.94–4.75) | 5.39 (4.10–6.69) | 0.057 |
| Flu positive | 2.41 (0.769–4.05) | 2.64 (0.960–4.32) | 0.84 |
| RSV positive | 2.23 (1.08–3.37) | 4.00 (1.84–6.16) | 0.14 |
| Flu & RSV negative | 4.66 (3.38–5.94) | 6.32 (4.54–8.10) | 0.14 |
| Percent with an antibiotic orderb | |||
| All results | 38.1 (31.4–45.4) | 47.4 (40.5–54.4) | 0.076 |
| Flu positive | 22.7 (10.1–43.4) | 44.0 (26.7–62.9) | 0.22 |
| RSV positive | 37.5 (24.2–53.0) | 57.9 (42.2–72.1) | 0.11 |
| Flu & RSV negative | 41.2 (32.7–50.2) | 45.0 (36.8–53.6) | 0.61 |
| Peter Lougheed Centre | |||
|---|---|---|---|
| ROST | Standard | p value | |
| Percent with CXR ordera | |||
| All results | 24.4 (18.3–31.7) | 26.9 (20.9–33.9) | 0.61 |
| Flu positive | 4.55 (0.233–21.8) | 26.9 (13.7–46.1) | 0.055 |
| RSV positive | 36.4 (15.2–64.6) | 22.2 (3.95–54.7) | 0.64 |
| Flu & RSV negative | 26.8 (19.8–35.3) | 27.1 (20.5–35.1) | > 0.99 |
| Mean number of laboratory tests orderedb | |||
| All results | 5.33 (4.59–6.06) | 6.51 (5.64–7.38) | 0.043 |
| Flu positive | 5.09 (3.93–6.25) | 7.85 (5.50–10.2) | 0.046 |
| RSV positive | 6.64 (2.53–10.8) | 7.00 (1.51–12.5) | 0.90 |
| Flu & RSV positive | 5.25 (4.39–6.11) | 6.23 (5.27–7.18) | 0.14 |
| Percent with an antibiotic orderb | |||
| All results | 56.7 (48.9–64.2) | 59.4 (52.0–66.4) | 0.66 |
| Flu positive | 54.5 (34.7–73.1) | 69.2 (50.0–83.5) | 0.37 |
| RSV positive | 63.6 (35.4–84.8) | 66.7 (35.4–87.9) | > 0.99 |
| Flu & RSV negative | 56.5 (47.7–64.9) | 57.1 (48.9–65.0) | > 0.99 |
Data are in proportion (%) (95% confidence intervals) or mean (standard error of the mean). ROST=rapid on-site testing
Alberta Children's Hospital: All results: ROST n = 181, standard n = 194. Flu positive: ROST n = 22, standard n = 25. RSV positive: ROST n = 40, standard n = 38. Flu and RSV negative: ROST n = 119, standard n = 131
Peter Lougheed Centre: All results: ROST n = 157, standard n = 175. Flu positive: ROST n = 22, standard n = 26. RSV positive: ROST n = 11, standard n = 9. Flu and RSV negative: ROST n = 124, standard n = 140
aStatistical analysis done using Fisher’s exact test
bStatistical analysis done using unpaired t-test assuming Gaussian distribution with two-tailed p value