Table 1 Social-demographic and clinical characteristics of included patients
30-day readmission (N = 7724) | 1-year readmission (N = 7374) | ||||
|---|---|---|---|---|---|
Characteristics (n (%)) | All | Readmitted (n = 1289/7724) | All | Readmitted (n = 2492/7374) | Readmitted ≥3 times(n = 746/2492) |
Gender: male | 3708 (48.01) | 713 (55.31) | 3525 (47.8) | 1318 (52.89) | 465 (62.33) |
Age (mean, SD) | 46.71 (17.02) | 54.71 (16.10) | 46.27 (17.06) | 50.50 (17.07) | 58.05 (15.24) |
Insurance* | |||||
Urban employee | 4350 (56.32) | 979 (75.95) | 4138 (56.12) | 1707 (68.5) | 629 (84.32) |
Urban resident | 859 (11.12) | 82 (6.36) | 795 (10.78) | 242 (9.71) | 42 (5.63) |
New rural cooperative | 633 (8.20) | 49 (3.80) | 600 (8.14) | 116 (4.65) | 10 (1.34) |
Other insurances | 918 (11.89) | 110 (8.53) | 946 (12.83) | 189 (7.58) | 19 (2.55) |
Non-insured | 964 (12.48) | 69 (5.35) | 895 (12.14) | 238 (9.55) | 46 (6.17) |
Married | 3777 (48.90) | 416 (32.27) | 3668 (49.74) | 1020 (40.93) | 228 (30.56) |
Urban residents | 5118 (66.26) | 1023 (79.36) | 4918 (66.69) | 1883 (75.56) | 646 (86.60) |
Diagnoses | |||||
Depressive disorders | 1195 (15.47) | 71 (5.51) | 1192 (16.16) | 234 (9.39) | 35 (4.69) |
Bipolar disorders | 1635 (21.17) | 123 (9.54) | 1615 (21.9) | 420 (16.85) | 43 (5.76) |
Schizophrenia and related disorders | 3448 (44.64) | 893 (69.28) | 3169 (42.98) | 1375 (55.18) | 517 (69.30) |
Substance use disorders | 407 (5.27) | 35 (2.72) | 403 (5.47) | 132 (5.30) | 30 (4.02) |
Other mental disorders | 1039 (13.45) | 167 (12.96) | 995 (13.49) | 331 (13.28) | 121 (16.22) |
Count of comorbidities# | |||||
None | 3268 (42.31) | 234 (18.15) | 3125 (43.60) | 645 (25.88) | 82 (10.99) |
1 | 1759 (22.77) | 287 (22.27) | 1682 (22.81) | 568 (22.79) | 154 (20.64) |
> 1 | 2697 (34.92) | 768 (59.58) | 2477 (33.59) | 1279 (51.32) | 510 (68.36) |
Use of ECT | 2065 (26.73) | 119 (9.23) | 2053 (27.84) | 451 (18.10) | 41 (5.50) |
Previous hospitalization(s) | |||||
None | 5686 (73.61) | 395 (30.64) | 5550 (75.26) | 1233 (49.48) | 122 (16.35) |
1 time | 1054 (13.65) | 258 (20.02) | 878 (11.91) | 430 (17.26) | 92 (12.33) |
2 times | 544 (7.04) | 334 (25.91) | 509 (6.9) | 421 (16.89) | 226 (30.29) |
≥ 3 times | 440 (5.70) | 302 (23.43) | 437 (5.93) | 408 (16.37) | 306 (41.02) |
Admission sources | |||||
Emergency room | 2528 (32.73) | 172 (13.34) | 2515 (34.11) | 591 (23.72) | 70 (9.38) |
Outpatient | 4914 (63.62) | 1093 (84.79) | 4663 (63.24) | 1848 (74.16) | 670 (89.81) |
Other | 282 (3.65) | 24 (1.86) | 196 (2.66) | 53 (2.13) | 6 (0.80) |
Length of stay (mean, SD) | 66.90 (78.70) | 115.61 (75.21) | 55.76 (55.93) | 79.83 (63.43) | 101.33 (50.48) |
Hospital type | |||||
Tertiary hospitals (vs secondary hospitals) | 6438 (83.35) | 1119 (86.81) | 6346 (86.06) | 2135 (85.67) | 684 (91.69) |
Urban hospitals (vs rural hospitals) | 4591 (59.44) | 298 (23.12) | 4490 (60.89) | 1084 (43.50) | 146 (19.57) |