Table 2.
Description of SARS-CoV2 RT-PCR results across the 4 nursing homes.
| Variables | Whole sample | Nursing home 1 | Nursing home 2 | Nursing 3 | Nursing home 4 | P1 |
|---|---|---|---|---|---|---|
| Status before the screening campaign | ||||||
| Number of residents | 330 | 94 | 73 | 70 | 93 | |
| Confirmed or probable COVID-19 | 23.3% (77/330) | 26.2% (25/94) | 4.1% (3/73) | 31.4% (22/70) | 29.0% (27/93) | < 0.0001 |
| Number of staff members | 281 | 100 | 63 | 62 | 56 | |
| Confirmed or probable COVID-19 | 12.1% (34/28154) | 10% (10/100) | 14.3% (9/63) | 16.1% (10/62) | 8.9% (5/56) | 0.54 |
| Screening campaign among staff members | ||||||
| SARS-Cov2 tested staff members | 241 | 84 | 54 | 52 | 51 | |
| Positive RT-PCR | 13.3% (32/241) | 17.9% (15/84) | 9.3% (5/54) | 7.7% (5/52) | 15.7% (8/51) | 0.39 |
| Mean CTa | 29.83 (13.39–36.97) | 27.70 (15.03–36.97) | 35.04 (34.70–35.93) | 35.42 (34.95–35.94) | 26.28 (13.39–31.23) | |
| Totally asymptomatic | 75.0% (24/32) | 11 | 3 | 5 | 6 | |
| Mild symptoms during or after the campaign | 25.0% (8/32) | 4 | 2 | 0 | 2 | |
| Total staff members with SARS-Cov2 infection | 23.5% (66/281) | 25% (25/100) | 22.2% (14/63) | 24.2% (15/62) | 23.2% (13/56) | 0.98 |
P-values from χ2 comparing the 4 nursing home groups.
a
Median cycle threshold in PCR positive samples.