Table 1 Socio-demographic characteristics of the 30-day cohort.
Variable | Variable name | All | Non-readmission | Readmission | P value |
|---|---|---|---|---|---|
(n = 12,976) | (n = 12,545) | (n = 431) | |||
Socio-demographic variables | |||||
Gender = Female (%) | gender | 8632 (66.5) | 8312 (66.3) | 320 (74.2) | 0.001 |
Age at admission (median [IQR]) | admission_age | 46.00 [30.00, 61.00] | 46.00 [30.00, 61.00] | 43.00 [26.00, 63.50] | 0.134 |
Age group (%) | age_group | <0.001 | |||
0–17 | 1107 (8.5) | 1053 (8.4) | 54 (12.5) | ||
18–35 | 3016 (23.2) | 2904 (23.1) | 112 (26.0) | ||
36–60 | 5373 (41.4) | 5237 (41.7) | 136 (31.6) | ||
61- | 3480 (26.8) | 3351 (26.7) | 129 (29.9) | ||
Job status (%) | job | 0.001 | |||
Unknown | 2389 (18.4) | 2330 (18.6) | 59 (13.7) | ||
Student | 1971 (15.2) | 1881 (15.0) | 90 (20.9) | ||
Farmer | 1763 (13.6) | 1714 (13.7) | 49 (11.4) | ||
Worker | 588 (4.5) | 570 (4.5) | 18 (4.2) | ||
Civil servant | 1105 (8.5) | 1072 (8.5) | 33 (7.7) | ||
Staff | 1653 (12.7) | 1608 (12.8) | 45 (10.4) | ||
Freelancer | 663 (5.1) | 641 (5.1) | 22 (5.1) | ||
Retired | 1793 (13.8) | 1714 (13.7) | 79 (18.3) | ||
Unemployed | 1051 (8.1) | 1015 (8.1) | 36 (8.4) | ||
Marital status (%) | marital_status | 0.001 | |||
Unknown | 35 (0.3) | 35 (0.3) | 0 (0.0) | ||
Unmarried | 2957 (22.8) | 2829 (22.6) | 128 (29.7) | ||
Married | 8900 (68.6) | 8637 (68.8) | 263 (61.0) | ||
Divorced | 549 (4.2) | 535 (4.3) | 14 (3.2) | ||
Widowed | 535 (4.1) | 509 (4.1) | 26 (6.0) | ||
Nationality (%) | nationality | 0.082 | |||
Other | 297 (2.3) | 289 (2.3) | 8 (1.9) | ||
Han | 11,961 (92.2) | 11,572 (92.2) | 389 (90.3) | ||
Tibetan | 718 (5.5) | 684 (5.5) | 34 (7.9) | ||
Type of payment (%) | pay_type | 0.017 | |||
Cash | 7927 (61.1) | 7692 (61.3) | 235 (54.5) | ||
City medical insurance | 4707 (36.3) | 4524 (36.1) | 183 (42.5) | ||
Provincial medical insurance | 342 (2.6) | 329 (2.6) | 13 (3.0) | ||
Source of patient (%) | pat_source | 0.193 | |||
Chengdu | 6800 (52.4) | 6556 (52.3) | 244 (56.6) | ||
Other cities in Sichuan | 4424 (34.1) | 4297 (34.3) | 127 (29.5) | ||
Other provinces | 1742 (13.4) | 1682 (13.4) | 60 (13.9) | ||
Foreign | 10 (0.1) | 10 (0.1) | 0 (0.0) | ||
Province of hometown (%) | hometown | 0.574 | |||
Other | 1216 (9.4) | 1182 (9.4) | 34 (7.9) | ||
Sichuan | 10,575 (81.5) | 10,222 (81.5) | 353 (81.9) | ||
Tibet | 554 (4.3) | 533 (4.2) | 21 (4.9) | ||
Chongqing | 429 (3.3) | 411 (3.3) | 18 (4.2) | ||
Guizhou | 202 (1.6) | 197 (1.6) | 5 (1.2) | ||
