Table 3.
Outcomes of trauma patients with severe hypocalcemia compared to no severe hypocalcemia from January 2004 to December 2014 (n = 7341)
| Variable | Total, n = 7341 | Severe hypocalcemia, n = 716 | No severe hypocalcemia, n = 6625 | P value |
|---|---|---|---|---|
| Discharge capacity, n (%) | 7341 | 716 | 6625 | |
| Temporary disability, < 1 year | 6119 (83.4) | 410 (57.3) | 5709 (86.2) | <0.0001 |
| Deceased or unknown | 990 (13.5) | 273 (38.1) | 717 (10.8) | |
| Disabled | 204 (2.8) | 31 (4.3) | 173 (2.6) | |
| Pre–injury capacity | 28 (0.4) | 2 (0.3) | 26 (0.4) | |
| Discharge disposition, n (%) | 7341 | 716 | 6625 | <0.0001 |
| Home | 3835 (52.2) | 248 (34.6) | 3587 (54.1) | |
| Transfer to OSH | 1106 (15.1) | 92 (12.8) | 1014 (15.3) | |
| Expired | 932 (12.7) | 270 (37.7) | 662 (10.0) | |
| SNF/rehab | 783 (10.7) | 62 (8.7) | 721 (10.9) | |
| Other | 685 (9.3) | 44 (6.1) | 641 (9.7) | |
| Required ICU, n (%) | 5486 (74.7) | 571 (79.7) | 4915 (74.2) | 0.0010 |
| Hospital LOS, median (IQR) | 7 (4–17) | 9 (1–26) | 7 (4–16) | 0.5260 |
| Ventilator days, median (IQR) | 0 (0–2) | 0 (0–4) | 0 (0–2) | 0.0110 |
| ICU LOS, median (IQR) | 3 (0–8) | 4 (1–14) | 3 (0–7) | <0.0001 |
| In-hospital mortality, n (%) | 936 (12.8) | 270 (37.7) | 666 (10.1) | <0.0001 |
Severe hypocalcemia defined as ionized calcium less than 0.9 mmol/dL or 3.6 mg/dL within 48 h of admission
Disabled defined as limitations from injuries expected to last longer than 1 year
OSH outside hospital, SNF skilled nursing facility, rehab rehabilitation facility, ICU intensive care unit, LOS length of stay