Table 1.
Baseline characteristics of participating residents.
| Variables | Overall | Intervention arm | Usual care arm |
|---|---|---|---|
| Antibiotic use in the past 3 months | 22.13% | 342/1500 (22.80) | 270/1266 (21.33) |
| Barthel Index | |||
| Total dependence | 45.24% | 642/1496 (42.91) | 607/1265 (47.98) |
| Severe dependence | 18.83% | 296/1496 (19.79) | 224/1265 (17.71) |
| Moderate dependence | 17.57% | 283/1496 (18.92) | 202/1265 (15.97) |
| Slight dependence | 10.18% | 152/1496 (10.16) | 129/1265 (10.20) |
| Independent | 8.19% | 123/1496 (8.22) | 103/1265 (8.14) |
| Medical devices in the past 1 month (any of the following) | 17.82% | 276/1500 (18.40) | 217/1266 (17.14) |
| IV central | 0.00% | 0/1500 (0.00) | 0/1266 (0.00) |
| Intravenous peripheral line | 5.75% | 83/1500 (5.53) | 76/1266 (6.00) |
| Urinary catheter | 5.68% | 91/1500 (6.07) | 66/1266 (5.21) |
| Tenckhoff catheter | 0.61% | 11/1500 (0.73) | 6/1266 (0.47) |
| Feeding tube | 8.71% | 147/1500 (9.80) | 94/1266 (7.42) |
| Percutaneous gastrostomy tube | 0.22% | 2/1500 (0.13) | 4/1266 (0.32) |
| Prosthetic implant | 0.14% | 0/1500 (0.00) | 4/1266 (0.32) |
| Haemodialysis vascular access | 0.00% | 0/1500 (0.00) | 0/1266 (0.00) |
| Drain | 0.07% | 0/1500 (0.00) | 2/1266 (0.16) |
| Use of inhaled medication | 8.28% | 127/1500 (8.47) | 102/1266 (8.06) |
| Male | 36.74% | 564/1505 (37.48) | 456/1271 (35.88) |
| MRSA | 20.35% | 316/1505 (21.00) | 249/1271 (19.59) |
| Age (Year) | |||
| Median (min – max) | 84 (32–105) | 83 (32–104) | 84 (40–105) |
| Mean (SD) | 82.56 (9.50) | 82.42 (9.45) | 82.72 (9.55) |
| Charlson score | |||
| Median (min–max) | 0 (0–12) | 0 (0–12) | 0 (0–12) |
| Mean (SD) | 0.6204 (1.30) | 0.6180 (1.27) | 0.6232 (1.34) |
| Charlson score > 0 | 28.52% | 431/1500 (28.73) | 358/1266 (28.28) |
Data are expressed as number of participants exposed to the variable/total number of participants (%), unless otherwise indicated.
SD, standard deviation.