Table 2. Prevention measures in clinical practice during COVID-19 in El Salvador and Mexico in 2020 and 2021.
Statistical test: Chi-square. Physical distancing: space of at least one meter between patients.
| Groups | El Salvador 2020 (n=369) N (%) | El Salvador 2021 (n=261) N (%) | Total | P-value | Mexico 2020 (n=340) N (%) | Mexico 2021 (n=384) N(%) | Total | P-value |
| Phone triage | ||||||||
| Yes | 169 (46) | 98 (38) | 267 | 0.0385 | 299 (88) | 203 (53) | 502 | 0.0001 |
| No | 200 (54) | 163 (62) | 363 | 41 (12) | 181 (47) | 222 | ||
| Infrared thermometer | ||||||||
| Yes | 343 (93) | 219 (84) | 562 | 0.0004 | 170 (50) | 322 (84) | 492 | 0.0001 |
| No | 26 (7) | 42 (16) | 68 | 170 (50) | 62 (16) | 232 | ||
| Handwashing | ||||||||
| Yes | 266 (72) | 254 (97) | 520 | 0.0001 | 326 (96) | 381 (99) | 707 | 0.0001 |
| No | 103 (28) | 7 (3) | 110 | 14 (4) | 3 (1) | 17 | ||
| Physical distancing | ||||||||
| Yes | 254 (69) | 236 (90) | 490 | 0.0001 | 212 (62) | 370 (96) | 582 | 0.0001 |
| No | 115 (31) | 25 (10) | 140 | 128 (38) | 14 (4) | 142 | ||
| Use of techniques that prevent the generation of aerosols | ||||||||
| Yes | 80 (22) | 179 (69) | 259 | 0.0001 | 64 (19) | 236 (62) | 300 | 0.0001 |
| No | 289 (78) | 82 (31) | 371 | 276 (81) | 148 (38) | 424 |