Table 1. Demographic characteristics, chronic conditions, medications used, previous yellow fever (YF) vaccination and travel destination, according to final decision of vaccinating or not, for 906 persons aged 60 y and older who sought YF vaccination in a reference Immunization Center, in São Paulo, Brazil, from March 2009 to April 2010.
| Vaccinated (828) n (%) |
Not-vaccinated (78) n (%) |
All (906) n (%) |
|
|---|---|---|---|
|
Gender Female Male |
467 (56.4) 361 (43.6) |
60 (76.9) 18 (23.1) |
527 (58.2) 379 (41.8) |
|
Age Min–Max Mean Median Standard deviation |
60–94 68 67 6.4 |
60–96 70 67 7.7 |
60–96 68 67 6.6 |
|
Chronic conditions Chronic condition with altered immunocompetence Other chronic conditions* Previous malignancies None |
13 (1.6) 465 (56.1) 42 (5.1) 308 (37.2) |
22 (28.2) 46 (59.0) 3 (3.8) 7 (9.0) |
35 (3.9) 511 (56.4) 45 (5.0) 315 (34.8) |
|
Medications being used Immunosuppressive drugs** or corticosteroids in immunosuppressive doses# Corticosteroids in lower doses or topical Other drugs None Not reported |
1 (0.1) 12 (1.5) 491 (59.3) 296 (35.7) 28 (3.4) |
7 (9.0) 11 (14.1) 44 (56.4) 7 (9.0) 9 (11.5) |
8 (0.9) 23 (2.5) 535 (59.1) 303 (33.4) 37 (4.1) |
|
Previous YF vaccination No < 10 y ≥ 10 y Not known / reported |
452 (54.6) 77 (9.3) 249 (30.1) 50 (6) |
40 (51.3) 12 (15.4) 21 (26.9) 5 (6.4) |
492 (54.3) 89 (9.8) 270 (29.8) 55 (6.1) |
|
Travel destination Area with risk of YF transmission Area without risk of YF transmission, but with vaccination requirement for travelers from Brazil Area without risk of YF transmission or vaccination requirement Not reported |
435 (52.5) 327 (39.5) 62 (7.5) 4 (0.5) |
32 (41) 14 (18) 32 (41) 0 |
467 (51.6) 341 (37.6) 94 (10.4) 4 (0.4) |
Note: *Cardiovascular diseases, diabetes mellitus, lung diseases, liver diseases (not cirrhosis), non-dialysis kidney diseases, neurologic diseases, hypertyroidism, hypotyroidism, prostatic hyperplasia, glaucoma, depression, polycythemia, pancreatic insuficiency, chronic urticaria, erythema nodosum, arthritis, dyspepsia. **Methotrexate (2), hydroxychloroquine (2), Azathioprine (1), IL-6 Blocker (1). #Prednisone ≥ 20 mg/day for > 14 d