TABLE 1.
General characteristics and disease‐related symptoms in the study population, overall and by vitamin D status
| Variables | Total N = 290 | Without vitamin D deficiency N = 148 | With vitamin D deficiency N = 142 | p‐value |
|---|---|---|---|---|
| Demographic | ||||
| Age (year), mean (SD) | 61.6 (16.9) | 60.3 (16.1) | 63.0 (17.6) | .183 |
| Age ≥65 year, % (N) | 42.4 (123) | 39.2 (58) | 45.8 (65) | .257 |
| Gender male, % (N) | 56.6 (164) | 50.0 (74) | 63.4 (90) | .022 |
| COVID−19‐related symptoms, % (N) | ||||
| Cough | 48.4 (140) | 53.4 (79) | 42.9 (61) | .076 |
| Fever | 40.3 (112) | 39.6 (57) | 41.0(55) | .804 |
| Tiredness | 41.0 (103) | 38.8 (52) | 43.6 (51) | .442 |
| P02<93% | 55.0 (153) | 50.0 (72) | 60.4 (81) | .080 |
| Comorbidities, % (N) | ||||
| DM | 31.5 (87) | 30.3 (44) | 32.8 (43) | .658 |
| HTN | 34.2 (95) | 36.3 (53) | 31.8 (42) | .431 |
| CVD | 21.6 (59) | 21.4 (31) | 21.9 (28) | .921 |
| Other comorbidities* | 30.5 (84) | 30.3 (44) | 30.8 (40) | .939 |
| Any comorbidity | 64.7 (178) | 63.9 (92) | 65.6 (86) | .760 |
Abbreviations: CVD, Cardiovascular disease; DM, Diabetes mellitus; HTN, Hypertension.
*
Including: cancer, rheumatism, immunodeficiency or chronic respiratory, hepatic and blood diseases.