Table 1.
Demographics and Past Healthcare Utilization of patients in the SingHealth Regional Health System
| Variable | All | Mostly Healthy | Serious Acute Illness but Curable | Stable Chronic | Complex Chronic without frequent hospital admissions | Complex chronic with frequent hospital admissions | End of Life | p-value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of patients (%) | 825,874 | (100) | 506,101 | (61.3) | 44,023 | (5.3) | 177,550 | (21.5) | 90,540 | (11.0) | 4705 | (0.6) | 2955 | (0.4) | <0.001 |
| Patient Demographics | |||||||||||||||
| Age (in years), mean, (SD) | 55.6 | (9.8) | 44.4 | (15.6) | 42.0 | (15.8) | 61.6 | (13.6) | 61.1 | (15.1) | 64.6 | (14.5) | 60.0 | (13.0) | <0.001 |
| 21 – 39 (%) | 261,095 | (32) | 217,648 | (43) | 23,898 | (54) | 10,873 | (6) | 8217 | (9) | 279 | (6) | 180 | (6) | |
| 40 – 64 (%) | 384,596 | (47) | 230,499 | (46) | 15,011 | (34) | 92,032 | (52) | 43,387 | (48) | 1955 | (42) | 1712 | (58) | |
| 65 – 84 (%) | 166,354 | (20) | 54,890 | (11) | 4646 | (11) | 68,607 | (39) | 35,063 | (39) | 2157 | (46) | 991 | (34) | |
| ≥ 85 (%) | 13,829 | (2) | 3064 | (1) | 468 | (1) | 6038 | (3) | 3873 | (4) | 314 | (7) | 72 | (2) | |
| Gender | |||||||||||||||
| Male (%) | 347,704 | (42) | 209,969 | (41) | 12,620 | (29) | 79,196 | (45) | 42,186 | (47) | 2447 | (52) | 1286 | (44) | <0.001 |
| Ethnicity | |||||||||||||||
| Chinese (%) | 584,289 | (71) | 346,461 | (68) | 25,617 | (58) | 137,299 | (77) | 69,173 | (76) | 3415 | (73) | 2324 | (79) | <0.001 |
| Indian (%) | 70,657 | (9) | 45,406 | (9) | 5121 | (12) | 12,286 | (7) | 7248 | (8) | 469 | (10) | 127 | (4) | |
| Malay (%) | 88,842 | (11) | 50,589 | (10) | 7022 | (16) | 21,226 | (12) | 9152 | (10) | 614 | (13) | 239 | (8) | |
| Others (%) | 82,086 | (10) | 63,645 | (13) | 6263 | (14) | 6739 | (4) | 4967 | (5) | 207 | (4) | 265 | (9) | |
| Past Healthcare Utilization per patient in the past year (2011) | |||||||||||||||
| ED visits, total (%) | 0.11 | 0.05 | 0.10 | 0.10 | 0.34 | 1.55 | 0.45 | <0.001 | |||||||
| Specialist Clinic visits, total (%) | 2.78 | 1.87 | 3.11 | 2.28 | 7.61 | 13.6 | 20.05 | <0.001 | |||||||
| Hospital admissions, total (%) | 0.10 | 0.04 | 0.12 | 0.07 | 0.36 | 1.71 | 0.77 | <0.001 | |||||||
Abbreviations: Emergency Department (ED). Numbers were presented as mean ± standard deviation or number (%) as appropriate