Table 4.
a Rate Ratio (95% Confidence Interval) of Hospitalization for Specific Disease Categories of Patients with Rheumatoid Arthritis by Select Metrics of Disease Severityb
| Disease Categories | Total number of hospitalizations | RF/ACPA + | Erosions | Nodules | Repeatedly high ESR |
|---|---|---|---|---|---|
| Overall | 2968 | 1.04 (0.97, 1.13) | 1.24 (1.14, 1.34) | 1.01 (0.91, 1.11) | 2.76 (2.51, 3.02) |
| Infectious, Parasitic | 65 | 1.03 (0.62, 1.79) | 0.95 (0.50, 1.64) | 1.19 (0.58, 2.12) | 2.33 (1.10, 4.23) |
| Neoplasms | 149 | 1.13 (0.81, 1.64) | 1.43 (0.99, 2.00) | 0.60 (0.33, 0.98) | 2.52 (1.59, 3.76) |
| Endocrine, Metabolic | 105 | 0.85 (0.57, 1.28) | 2.01 (1.34, 2.95) | 0.37 (0.14, 0.72) | 4.75 (3.03, 7.14) |
| Blood, Blood-Forming Organs | 50 | 2.69 (1.35, 6.67) | 1.48 (0.78, 2.61) | 0.68 (0.23, 1.45) | 0.91 (0.22, 2.20) |
| Mental | 108 | 0.58 (0.40, 0.85) | 0.98 (0.60, 1.50) | 1.15 (0.66, 1.83) | 5.95 (3.92, 8.78) |
| Nervous, Sense Organs | 81 | 1.48 (0.92, 2.57) | 1.13 (0.66, 1.81) | 0.82 (0.39, 1.47) | 5.25 (3.18, 8.27) |
| Circulatory | 610 | 0.80 (0.68, 0.94) | 1.21 (1.01, 1.45) | 1.08 (0.86, 1.33) | 3.15 (2.57, 3.82) |
| Respiratory | 320 | 1.38 (1.08, 1.80) | 0.82 (0.61, 1.07) | 1.58 (1.20, 2.04) | 4.33 (3.35, 5.52) |
| Digestive | 289 | 0.97 (0.76, 1.25) | 0.85 (0.63, 1.12) | 0.66 (0.44, 0.94) | 2.29 (1.64, 3.10) |
| Genitourinary | 177 | 0.67 (0.50, 0.91) | 1.13 (0.79, 1.56) | 0.65 (0.38, 1.01) | 1.78 (1.10, 2.68) |
| Complications of Pregnancy (females only) | 40 | 0.38 (0.20, 0.80) | 0.72 (0.29, 1.48) | 1.37 (0.55, 2.80) | 1.90 (0.64, 4.14) |
| Skin, Subcutaneous | 77 | 1.39 (0.86, 2.41) | 1.74 (1.06, 2.74) | 1.18 (0.61, 2.01) | 1.12 (0.42, 2.24) |
| Musculoskeletal, Connective Tissue | 439 | 1.58 (1.28, 2.00) | 1.96 (1.61, 2.37) | 1.11 (0.85, 1.41) | 1.85 (1.38, 2.41) |
| Injury, Poisoning | 297 | 1.11 (0.87, 1.44) | 1.29 (1.00, 1.66) | 1.17 (0.86, 1.56) | 2.28 (1.64, 3.07) |
| Symptoms Ill-Defined | 141 | 1.20 (0.84, 1.76) | 1.13 (0.75, 1.62) | 1.23 (0.77, 1.84) | 2.83 (1.79, 4.21) |
a
Statistically significant results are presented in bold font.
b
Results for the following CCS categories were not shown due to fewer than 10 total hospitalizations in the RA cases: congenital anomalies; conditions originating in the perinatal period; residual/unclassified codes.