Table 2 Gout Predictor Variables, Univariable and Multivariable Analyses* Data are given as number (%) of patients
From: An evaluation of gout visits in the United States for the years 2007 to 2011
Univariable | Multivariable | |||||
|---|---|---|---|---|---|---|
Parameter | Gout (%) | No Gout (%) | OR (95% CI) | P | OR (95% CI) | P |
Observation Period | ||||||
2009–2011 | 7,849,421 (1.3) | 580,942,174 (98.7) | 1.28 (1.10–1.49) | 0.0010 | 1.24 (1.02–1.52) | 0.0346 |
2007–2008 | 3,920,276 (1.0) | 371,919,526 (99.0) | Referent | -- | Referent | -- |
Age Group (years) | ||||||
≥ 65 | 7,113,034 (2.4) | 291,919,369 (97.6) | 8.64 (7.04–10.60) | < 0.0001 | 4.94 (3.69–6.62) | < 0.0001 |
45–64 | 3,772,290 (1.1) | 347,436,851 (98.9) | 3.85 (3.11–4.77) | < 0.0001 | 2.52 (1.97–3.21) | < 0.0001 |
20–44 | 884,372 (0.3) | 313,505,459 (99.7) | Referent | – | Referent | – |
Sex | ||||||
Female | 3,055,558 (0.5) | 584,338,467 (99.5) | 0.22 (0.20–0.25) | < 0.0001 | 0.20 (0.18–0.24) | < 0.0001 |
Male | 8,714,139 (2.3) | 368,523,233 (97.7) | Referent | – | Referent | – |
Race | ||||||
Other | 574,306 (1.7) | 32,942,130 (98.3) | 1.43 (1.03–1.99) | 0.0332 | 2.02 (1.47–2.77) | < 0.0001 |
African-American | 1,226,437 (1.2) | 98,377,632 (98.8) | 1.02 (0.82–1.27) | 0.8513 | 1.33 (1.03–1.72) | 0.0271 |
Caucasian | 7,264,368 (1.2) | 595,109,707 (98.8) | Referent | -- | Referent | -- |
Ethnicity | ||||||
Hispanic/Latino | 511,614 (0.6) | 78,750,878 (99.4) | 0.49 (0.36–0.67) | < 0.0001 | 0.64 (0.48–0.86) | 0.0032 |
Non-Hispanic/Latino | 8,252,946 (1.3) | 622,092,211 (98.7) | Referent | – | Referent | – |
Region | ||||||
Northeast | 2,019,734 (1.1) | 187,761,102 (98.9) | 0.90 (0.72–1.13) | 0.3629 | 0.80 (0.62–1.03) | 0.0823 |
Midwest | 3,053,963 (1.5) | 203,721,333 (98.5) | 1.25 (1.04–1.52) | 0.0169 | 1.16 (0.95–1.43) | 0.1501 |
West | 2,367,739 (1.2) | 199,303,020 (98.8) | 0.99 (0.80–1.24) | 0.9580 | 0.86 (0.67–1.10) | 0.2296 |
South | 4,328,261 (1.2) | 362,166,243 (98.8) | Referent | -- | Referent | -- |
MSA | ||||||
Non-MSA | 1,709,090 (1.4) | 119,137,057 (98.6) | 1.18 (0.93–1.52) | 0.1636 | 1.01 (0.77–1.32) | 0.9462 |
MSA | 10,060,607 (1.2) | 833,724,642 (98.8) | Referent | -- | Referent | -- |
Insurance Status | ||||||
Other | 407,967 (0.4) | 98,328,703 (99.6) | 0.43 (0.32–0.58) | < 0.0001 | 0.51 (0.36–0.72) | 0.0001 |
Medicaid | 407,549 (0.5) | 87,966,848 (99.5) | 0.48 (0.35–0.66) | < 0.0001 | 0.56 (0.39–0.80) | 0.0014 |
Medicare | 6,193,910 (2.2) | 274,708,378 (97.8) | 2.35 (2.07–2.68) | < 0.0001 | 0.93 (0.74–1.15) | 0.4846 |
Private Insurance | 4,382,477 (0.9) | 457,347,665 (99.1) | Referent | – | Referent | – |
Setting Type | ||||||
Hospital Emergency | 353,199 (0.4) | 94,359,329 (99.6) | 0.28 (0.23–0.33) | < 0.0001 | 0.42 (0.34–0.51) | < 0.0001 |
Hospital Outpatient | 892,347 (1.1) | 77,244,784 (98.9) | 0.86 (0.71–1.03) | 0.0994 | 1.05 (0.88–1.26) | 0.5718 |
Physician Office | 10,524,151 (1.3) | 781,257,587 (98.7) | Referent | – | Referent | – |
Diuretic Use | ||||||
Yes | 3,575,442 (5.0) | 67,667,807 (95.0) | 5.71 (5.04–6.47) | < 0.0001 | 4.00 (3.37–4.75) | < 0.0001 |
No | 8,194,254 (0.9) | 885,193,893 (99.1) | Referent | – | Referent | – |