Patient characteristics by prehospital vitamin D status
| Prehospital 25(OH)D, ng/mL | ||||||
|---|---|---|---|---|---|---|
| <10.0 | 10–19.9 | 20–29.9 | ≥30 | Total | ||
| N | 164 | 477 | 473 | 871 | 1985 | p Value |
| Age-mean (SD) | 57.3 (16.9) | 61.3 (16.6) | 62.4 (15.9) | 65.9 (15.4) | 63.2 (16.2) | 0.001* |
| Sex number (%) | 0.01 | |||||
| Female | 83 (51) | 243 (51) | 246 (52) | 511 (59) | 1083 (55) | |
| Male | 81 (49) | 234 (49) | 227 (48) | 360 (41) | 902 (45) | |
| Race number (%) | <0.0001 | |||||
| White | 125 (76) | 366 (77) | 371 (78) | 740 (85) | 1602 (81) | |
| Non-white | 39 (24) | 111 (23) | 102 (22) | 39 (15) | 383 (19) | |
| African–American | 17 (10) | 43 (9) | 34 (7) | 34 (4) | 128 (6) | |
| Patient type number (%) | 0.27 | |||||
| Medical | 115 (70) | 343 (72) | 331 (70) | 583 (67) | 1372 (69) | |
| Surgical | 49 (30) | 134 (28) | 142 (30) | 288 (33) | 613 (31) | |
| Deyo-Charlson index number (%) | 0.087 | |||||
| 0–3 | 88 (54) | 285 (60) | 294 (62) | 560 (64) | 1227 (62) | |
| 4–6 | 59 (36) | 135 (28) | 137 (29) | 222 (25) | 553 (28) | |
| >6 | 17 (10) | 57 (12) | 42 (9) | 89 (10) | 205 (10) | |
| Diabetes mellitus number (%) | 49 (30) | 193 (40) | 159 (34) | 274 (31) | 675 (34) | 0.005 |
| Body mass index-mean (SD)† | 27.9 (8.2) | 28.1 (9.9) | 28.0 (6.5) | 25.9 (5.9) | 27.3 (7.7) | 0.064* |
| Season of 25(OH)D draw number (%) | 0.18 | |||||
| Spring | 43 (26) | 132 (28) | 141 (30) | 242 (28) | 558 (28) | |
| Summer | 35 (21) | 114 (24) | 120 (25) | 229 (26) | 498 (25) | |
| Winter | 38 (23) | 119 (25) | 103 (22) | 162 (19) | 422 (21) | |
| Fall | 48 (29) | 112 (23) | 109 (23) | 238 (27) | 507 (26) | |
| Calcium ≥10.5 mg/dL number (%) | 26 (16) | 66 (14) | 60 (13) | 74 (9) | 226 (11) | 0.003 |
| Haematocrit <30% number (%) | 31 (19) | 98 (21) | 88 (19) | 121 (14) | 338 (17) | 0.009 |
| >90 days between 25(OH)D and Admission number (%) | 56 (34) | 192 (40) | 264 (56) | 516 (59) | 1028 (52) | <0.001 |
| Area deprivation index-mean (SD) | 87.1 (28.1) | 84.6 (27.1) | 84.1 (28.3) | 77.9 (33.2) | 81.8 (30.4) | <0.001* |
| Sepsis number (%) | 28 (17) | 73 (15) | 53 (11) | 77 (9) | 231 (12) | 0.001 |
| Sputum culture positivity number (%) | 30 (21) | 92 (22) | 71 (17) | 119 (15) | 312 (17) | 0.01 |
| Acute respiratory failure number (%) | 41 (25) | 102 (21) | 89 (19) | 119 (14) | 351 (18) | <0.001 |
| 90-day mortality number (%) | 34 (21) | 111 (23) | 76 (16) | 90 (10) | 311 (16) | <0.001 |
p Values determined by χ2 unless designated by (*) then p value determined by ANOVA.
Columns may not add up to 100% due to rounding. Greater Area Deprivation Index means a greater disadvantage.
†435 cohort patients had body mass index determined.