Table 3 Characteristics of post-COVID-19 symptoms by province.
Characteristics | Southeast region | Northern midlands and mountains | Red river delta | North central region | South central coast | Central highlands | Mekong delta regions | Total | p-value |
|---|---|---|---|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | ||
Neurological symptoms | 373 (67.9) | 2673 (67.1) | 568 (50.2) | 356 (72.2) | 1225 (66.6) | 660 (70.6) | 1579 (62.2) | 7434 (64.8) |  < 0.001 |
Digestive symptoms | 64 (11.7) | 800 (20.1) | 125 (11.1) | 74 (15.0) | 265 (14.4) | 162 (17.3) | 316 (12.4) | 1806 (15.7) |  < 0 .001 |
Respiratory and heart symptoms | 311 (56.6) | 2107 (52.9) | 483 (42.7) | 246 (49.9) | 899 (48.9) | 482 (51.6) | 1309 (51.5) | 5837 (50.9) |  < 0.001 |
Other symptoms | 151 (27.5) | 1250 (31.4) | 248 (21.9) | 136 (27.6) | 486 (26.4) | 280 (29.9) | 632 (24.9) | 3183 (27.7) |  < 0.001 |
Number of post-COVID-19 symptoms | |||||||||
 Asymptomatic | 89 (16.2) | 800 (20.1) | 378 (33.4) | 69 (14.0) | 337 (18.3) | 157 (16.8) | 537 (21.1) | 2367 (20.6) |  < 0.001 |
 One symptom | 125 (22.8) | 748 (18.8) | 230 (20.3) | 116 (23.5) | 430 (23.4) | 185 (19.8) | 549 (21.6) | 2383 (20.8) |  |
 Two symptoms | 86 (15.7) | 529 (13.3) | 169 (14.9) | 79 (16.0) | 303 (16.5) | 158 (16.9) | 441 (17.4) | 1765 (15.4) |  |
 Three symptoms | 84 (15.3) | 471 (11.8) | 121 (10.7) | 74 (15.0) | 215 (11.7) | 135 (14.4) | 284 (11.2) | 1384 (12.1) |  |
 Four or more than four symptoms | 165 (30.1) | 1437 (36.1) | 233 (20.6) | 155 (31.4) | 554 (30.1) | 300 (32.1) | 729 (28.7) | 3573 (31.1) |  |
| Â | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | p-value |
Number of neurological symptoms (range 0–5) | 1.44 (1.40) | 1.54 (1.49) | 1.04 (1.36) | 1.61 (1.43) | 1.49 (1.48) | 1.54 (1.41) | 1.30 (1.39) | 1.43 (1.45) |  < 0.001 |
Number of digestive symptoms (0–3) | 0.15 (0.48) | 0.27 (0.60) | 0.15 (0.46) | 0.20 (0.52) | 0.20 (0.53) | 0.23 (0.56) | 0.16 (0.48) | 0.21 (0.54) |  < 0.001 |
Number of respiratory and heart symptoms (range 0–4) | 0.88 (0.98) | 0.92 (1.10) | 0.65 (0.92) | 0.81 (1.05) | 0.81 (1.05) | 0.8 (0.97) | 0.84 (1.02) | 0.84 (1.04) |  < 0.001 |
Number of other symptoms (range 0–3) | 0.33 (0.58) | 0.40 (0.66) | 0.25 (0.52) | 0.34 (0.62) | 0.33 (0.60) | 0.38 (0.64) | 0.31 (0.58) | 0.35 (0.62) |  < 0.001 |
Number of post COVID-19 symptoms (range 0–15) | 2.8 (2.58) | 3.13 (3.01) | 2.09 (2.52) | 2.96 (2.65) | 2.82 (2.80) | 2.95 (2.74) | 2.61 (2.60) | 2.82 (2.80) |  < 0.001 |
