Table 2 Crude and adjusted risk ratios for the Association of Surgical Specialty and Preoperative Consultation within 42 days
From: Surgical specialty and preoperative medical consultation based on commercial health insurance claims
Unadjusted risk ratios (95% confidence interval) | |
Surgical specialty (Ref: general surgery) | |
Gynecology | 0.6 (0.3, 1.2) |
Urology | 2.4 (0.7, 8.0) |
Ophthalmology | 1.8 (0.9, 3.8) |
Orthopedics | 3.4 (1.9, 6.2) |
Neurosurgery | 3.4 (1.5, 7.6) |
Otolaryngology | 0.8 (0.3, 2.0) |
Vascular | 2.8 (1.3, 5.9) |
Adjusted risk ratios (95% confidence interval) | |
Surgical specialty (Ref: general surgery) | |
Gynecology | 0.6 (0.3, 1.2) |
Urology | 1.9 (0.8, 4.9) |
Ophthalmology | 2.3 (1.1, 4.6) |
Orthopedics | 3.9 (2.4, 6.5) |
Neurosurgery | 2.3 (1.1, 4.5) |
Otolaryngology | 0.6 (0.3, 1.4) |
Vascular | 1.4 (0.7, 2.9) |
Low surgical risk (Ref: intermediate and high risk) | 0.3 (0.3, 0.5) |
Age (10-year change) | 1.2 (1.1, 1.4) |
Sex (Ref: male) | |
Female | 1.0 (0.9, 1.2) |
Deyo comorbidity score (Ref: 0) | |
1 | 1.4 (1.1, 1.7) |
2 | 1.7 (1.3, 2.1) |
3+ | 1.4 (1.1, 1.9) |
Rural Urban Commuting Area category (Ref: urban) | |
Large rural city | 0.8 (0.5, 1.2) |
Small rural town | 1.6 (1.2, 2.1) |
Isolated rural town | 0.8 (0.5, 1.3) |
Hospital referral region (Ref: Seattle) | |
Everett, WA | 0.8 (0.5, 1.3) |
Olympia, WA | 0.2 (0.1, 0.4) |
Spokane, WA | 0.7 (0.6, 1.0) |
Tacoma, WA | 0.4 (0.2, 0.7) |
Yakima, WA | 0.6 (0.4, 0.9) |
Portland, OR | 0.3 (0.2, 0.5) |