Table 1.
Number of patient accesses and access rates for 2020, 2019, 2018, 2017, and 2016 in each considered period.
| Year |
Last Week of February |
First Week of March |
Second Week of March |
Third Week of March |
Fourth Week of March |
First Week of April |
Second Week of April |
Third Week of April |
Fourth Week of April |
Fifth Week of April |
Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 269/5 (53.8) | 308/5 (61.6) | 303/5 (60.6) | 270/5 (54) | 244/5 (48.8) | 263/5 (52.6) | 266/5 (53.2) | 215/4 (53.75) | 243/5 (48.6) | 209/4 (52.25) | 2590/48 (53.96) |
| 2019 | 248/5 (49.6) | 309/5 (61.8) | 331/5 (66.2) | 305/5 (61) | 286/5 (57.2) | 327/5 (65.4) | 309/5 (61.8) | 369/5 (73.8) | 207/3 (69) | 283/4 (70.75) | 2974/47 (63.28) |
| ARR = 1.08 | ARR = 1 | ARR = 0.92 | ARR = 0.89 | ARR = 0.85 | ARR = 0.8 | ARR = 0.86 | ARR = 0.73 | ARR = 0.7 | ARR = 0.74 | ARR = 0.85 | |
| CI = 0.91–1.29 | CI = 0.85–1.17 | CI = 0.78–1.07 | CI = 0.75–1.04 | CI = 0.72–1.01 | CI = 0.68–0.95 | CI = 0.73–1.01 | CI = 0.62–0.86 | CI = 0.59–0.85 | CI = 0.62–0.88 | CI = 0.81–0.9 | |
| p = 0.356 | p = 0.968 | p = 0.266 | p = 0.144 | p = 0.068 | p = 0.008* | p = 0.073 | p < 0.001 * | p < 0.001 * | p < 0.001 * | p < 0.001 * | |
| 2018 | 238/5 (47.6) | 280/5 (56) | 276/5 (55.2) | 266/5 (53.2) | 246/5 (49.2) | 255/4 (63.75) | 294/5 (58.8) | 256/5 (51.2) | 253/4 (63.25) | 262/4 (65.5) | 2626/47 (55.87) |
| ARR = 1.13 | ARR = 1.1 | ARR = 1.1 | ARR = 1.02 | ARR = 0.99 | ARR = 0.83 | ARR = 0.9 | ARR = 1.05 | ARR = 0.77 | ARR = 0.8 | ARR = 0.97 | |
| CI = 0.95–1.35 | CI = 0.94–1.29 | CI = 0.93–1.29 | CI = 0.86–1.2 | CI = 0.83–1.18 | CI = 0.69–0.98 | CI = 0.77–1.07 | CI = 0.88–1.26 | CI = 0.64–0.92 | CI = 0.67–0.96 | CI = 0.91–1.02 | |
| p = 0.169 | p = 0.248 | p = 0.262 | p = 0.863 | p = 0.928 | p = 0.028 * | p = 0.237 | p = 0.599 | p = 0.003 * | p = 0.015 * | p = 0.208 | |
| 2017 | 270/5 (54) | 254/5 (50.8) | 290/5 (58) | 252/5 (50.4) | 260/5 (52) | 282/5 (56.4) | 280/5 (56) | 285/5 (57) | 217/4 (54.25) | 270/5 (54) | 2660/49 (54.29) |
| ARR = 1 | ARR = 1.21 | ARR = 1.04 | ARR = 1.07 | ARR = 0.94 | ARR = 0.93 | ARR = 0.95 | ARR = 0.94 | ARR = 0.9 | ARR = 0.97 | ARR = 0.99 | |
| CI = 0.84–1.18 | CI = 1.03–1.43 | CI = 0.89–1.23 | CI = 0.9–1.27 | CI = 0.79–1.12 | CI = 0.79–1.1 | CI = 0.8–1.12 | CI = 0.79–1.13 | CI = 0.75–1.08 | CI = 0.81–1.16 | CI = 0.94–1.05 | |
| p = 0.966 | p = 0.023 * | p = 0.593 | p = 0.431 | p = 0.476 | p = 0.416 | p = 0.549 | p = 0.516 | p = 0.239 | p = 0.721 | p = 0.827 | |
| 2016 | 242/5 (48.4) | 244/5 (48.8) | 282/5 (56.4) | 262/5 (52.4) | 246/5 (49.2) | 276/4 (69) | 294/5 (58.8) | 288/5 (57.6) | 286/5 (57.2) | 274/4 (68.5) | 2694/48 (56.12) |
| ARR = 1.11 | ARR = 1.26 | ARR = 1.07 | ARR = 1.03 | ARR = 0.99 | ARR = 0.76 | ARR = 0.9 | ARR = 0.93 | ARR = 0.85 | ARR = 0.76 | ARR = 0.96 | |
| CI = 0.93–1.32 | CI = 1.07–1.49 | CI = 0.91–1.26 | CI = 0.87–1.22 | CI = 0.83–1.18 | CI = 0.64–0.90 | CI = 0.77–1.07 | CI = 0.78–1.11 | CI = 0.72–1.01 | CI = 0.64–0.91 | CI = 0.91–1.01 | |
| p = 0.232 | p = 0.006 * | p = 0.385 | p = 0.729 | p = 0.928 | p = 0.002 * | p = 0.237 | p = 0.443 | p = 0.062 | p = 0.003 * | p = 0.153 |
Each cell of the table reports: the total number of access/number of days considered (access rate), ARR = access rate ratio (ratio between the access rate during 2020 and each year), CI = ARR 95% Confidence Interval; p = p-value. As an example, during the first week of April 2020, a total number of 263 accesses were observed over five days (access rate = 52.6) while during the first week of April 2019, a total number of 327 accesses were observed over five days (access rate = 65.4). The ARR was 0.8 (52.6/65.4) with a confidence interval corresponding to 0.68–0.95, the access rate was significantly different between the two years (p = 0.008). * and bold numbers indicate statistically significant differences between access rates during 2020 and the considered year.