Table 1 The distribution of number, gender and age of patients admitted to the emergency department of Tianjin Medical University General Hospital from 2017 to 2020 (cases, %)
From: Dynamic changes of emergency visits: a retrospective observational study
Index | 2017 | 2018 | 2019 | 2020 |
The total | 310,758 | 343,498 | 404,966 | 255,694 |
Gender | ||||
 Male | 137,904(44.38) | 148,616(43.27) | 172,598(42.62) | 118,888(46.50) |
 Female | 172,851(55.62) | 194,882(56.73) | 232,368(57.38) | 136,806(53.50) |
 Unknown Gender | 3(0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
Age | ||||
 Mean ± Standard deviation | 56.27 ± 19.445 | 55.55 ± 19.661 | 54.98 ± 19.851 | 59.24 ± 18.291 |
  < 20 | 8,368 (2.69) | 10,320 (3.00) | 13,919 (3.44) | 4,179 (1.63) |
 20 ~ 29 | 27,072 (8.71) | 31,957 (9.30) | 37,733 (9.32) | 14,798 (5.79) |
 30 ~ 39 | 42,829 (13.78) | 51,164 (14.89) | 64,858 (16.02) | 29,934 (11.71) |
 40 ~ 49 | 29,724 (9.56) | 31,053 (9.04) | 36,410 (8.99) | 22,931 (8.97) |
 50 ~ 59 | 46,654 (15.01) | 50,072 (14.58) | 54,465 (13.45) | 38,087 (14.90) |
 60 ~ 69 | 70,736 (22.76) | 78,492 (22.85) | 93,374 (23.06) | 65,951 (25.79) |
 70 ~ 79 | 46,430 (14.94) | 49,692 (14.47) | 58,702 (14.50) | 46,330 (18.12) |
  ≥ 80 | 38,945 (12.53) | 40,748 (11.86) | 45,505 (11.24) | 33,484 (13.10) |