Table 1.
Selected characteristics of SLE patients with different organ involvements in 2017.
| SLE | Lupus nephritis | Lung involvement | Hematological involvement | Gastrointestinal involvement | Neurologic involvement | Heart involvement | |
|---|---|---|---|---|---|---|---|
| Number | 34,746 | 13,876 | 7,032 | 5,388 | 6,612 | 3,316 | 3,112 |
| Age (years) | 41.08 ± 15.88 | 39.27 ± 15.44 | 45.13 ± 16.56 | 40.61 ± 16.05 | 44.33 ± 15.58 | 47.10 ± 17.21 | 48.53 ± 17.71 |
| Female:Male (ratio) | 7.98:1 | 6.50:1 | 6.21:1 | 8.52:1 | 6.59:1 | 6.30:1 | 5:38:1 |
| Occupation No. (%)* | |||||||
| Clerk | 4,669 (9.44) | 1,755 (8.63) | 1,010 (7.47) | 959 (8.66) | 1,181 (9.09) | 428 (7.11) | 416 (6.77) |
| Professional | 1,147 (2.32) | 481 (2.36) | 281 (2.08) | 273 (2.46) | 291 (2.24) | 121 (2.01) | 108 (1.76) |
| Worker | 2,413 (4.88) | 966 (4.75) | 601 (4.45) | 514 (4.64) | 668 (5.14) | 263 (4.37) | 292 (4.75) |
| Farmer | 9,810 (19.83) | 4,278 (21.03) | 3,211 (23.75) | 2,452 (22.13) | 2,880 (22.17) | 1,201 (19.95) | 1,278 (20.79) |
| Student | 2,678 (5.41) | 1,314 (6.46) | 535 (3.96) | 658 (5.94) | 512 (3.94) | 267 (4.43) | 221 (3.60) |
| Retired | 3,480 (7.03) | 2,468 (12.13) | 1,486 (10.99) | 1,365 (12.32) | 1,515 (11.66) | 694 (11.53) | 658 (10.71) |
| Unemployed | 5,857 (11.84) | 1,151 (5.66) | 1,248 (9.23) | 676 (6.10) | 1,188 (9.15) | 828 (13.75) | 864 (14.06) |
| Other | 19,426 (39.26) | 7,928 (38.98) | 5,148 (38.08) | 1,296 (11.70) | 4,754 (36.6) | 2,219 (36.85) | 2,309 (37.57) |
| Rural/urban* No. (%) | |||||||
| Urban | 23,465 (63.59) | 9,250 (61.33) | 6,361 (61.97) | 5,023 (61.47) | 6,451 (65.43) | 3,229 (68.60) | 3,213 (66.07) |
| Rural | 13,434 (36.41) | 5,832 (38.67) | 3,904 (38.03) | 3,149 (38.53) | 3,409 (34.57) | 1,478 (31.40) | 1,650 (33.93) |
| Medical insurance No. (%) | |||||||
| Basic medical insurance | 23,465 (43.32) | 9,250 (41.50) | 6,361 (43.18) | 5,023 (41.31) | 6,451 (45.27) | 3,229 (48.78) | 3,213 (47.00) |
| New rural CMC | 13,434 (24.80) | 5,832 (26.17) | 3,904 (26.50) | 3,149 (25.90) | 3,409 (23.92) | 1,478 (22.33) | 1,650 (24.13) |
| Other insurance | 2,214 (4.09) | 1,066 (4.78) | 655 (4.45) | 592 (4.87) | 681 (4.78) | 328 (4.96) | 334 (4.89) |
| Un-insurance | 8,926 (16.48) | 3,613 (16.21) | 2,281 (15.48) | 2,048 (16.84) | 2,143 (15.04) | 895 (13.52) | 933 (13.65) |
| Infection (%) | 4,633 (8.55) | 2,223 (9.97) | 3,532 (23.98) | 1,558 (12.81) | 1,671 (11.73) | 712 (10.76) | 980 (14.33) |
| Tumors (%) | 1,248 (2.30) | 275 (1.23) | 356 (2.42) | 189 (1.55) | 341 (2.39) | 150 (2.27) | 132 (1.93) |
| Thrombosis (%) | 2,399 (4.43) | 909 (4.08) | 912 (6.19) | 652 (5.36) | 716 (5.02) | 1,808 (27.32) | 596 (8.72) |
| Costs* (1000RMB), Median (Q1-Q3) | 8,862 (5,224–14,949) | 9,576 (5,264–16,589) | 12,460 (7,674–22,259) | 11,947 (7,126–21,087) | 10,569 (6,503–17,816) | 11,324 (7,079–20,221) | 12,654(7,596–23,819) |
| Length-of-stay*(days), Median (Q1-Q3) | 9 (6–14) | 10 (6–16) | 12 (8–18) | 12 (7–18) | 11 (7–16) | 11 (7–17) | 11 (7–17) |
| In-hospital mortality (%) | 295 (0.54) | 158 (0.71) | 215 (1.46) | 127 (1.04) | 116 (0.81) | 101 (1.53) | 153 (2.24) |
Continuous variables are presented as the mean ± standard deviation or as the mean (inter-quartile range) for age and cost; categorical variables are presented as percentages with 95% confidence intervals.
*
Area total of 0.03–0.13% of age, 7.80–10.04% of occupation, 29.9–34.03% of rural/urban, 10.00–11.58% of costs, and 0.14–0.46% of stay-length data were missing.