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Table 1 Characteristics of patients receiving and not receiving preoperative consultation

From: Surgical specialty and preoperative medical consultation based on commercial health insurance claims

  No consultation Consultation
Total, n (%) 6915 (93.4) 485 (6.6)
Age, mean (SD) 50.5 (12.2) 55.5 (9.7)
Age categories, n (%)
 18–34 811 (97.5) 21 (2.5)
 35–44 1076 (97.1) 32 (2.9)
 45–54 1942 (93.6) 133 (6.4)
 55–64 2542 (91.2) 246 (8.8)
 65–80 544 (91.1) 53 (8.9)
Sex, n (%)
 Male 2743 (92.5) 224 (7.5)
 Female 4172 (94.1) 261 (5.9)
Surgeon specialty, n (%)
 General surgery 1670 (96.9) 53 (3.1)
 Gynecology 675 (98.3) 12 (1.7)
 Urology 350 (92.3) 29 (7.7)
 Ophthalmology 945 (96.1) 38 (3.9)
 Orthopedics 2654 (89.3) 317 (10.7)
 Neurosurgery 113 (89.0) 14 (11.0)
 Otolaryngology 448 (96.8) 15 (3.2)
 Vascular 60 (89.6) 7 (10.4)
Surgical risk, n (%)
 Low 3928 (95.6) 179 (4.4)
 Intermediate 2284 (89.7) 261 (10.3)
 High 703 (94.0) 45 (6.0)
Deyo comorbidity score, n (%)
 0 4641 (94.4) 275 (5.6)
 1 1113 (91.9) 98 (8.1)
 2 704 (90.8) 71 (9.2)
 3+ 457 (91.8) 41 (8.2)
Rural Urban Commuting Area category, n (%)
 Urban 5665 (93.3) 407 (6.7)
 Large rural city 589 (96.2) 23 (3.8)
 Small rural town 357 (90.4) 38 (9.6)
 Isolated rural town 304 (94.7) 17 (5.3)
Hospital referral region, n (%)
 Everett, WA 589 (93.3) 42 (6.7)
 Olympia, WA 399 (98.5) 6 (1.5)
 Seattle, WA 323 (97.9) 7 (2.1)
 Spokane, WA 2509 (90.2) 274 (9.8)
 Tacoma, WA 1923 (94.5) 111 (5.5)
 Yakima, WA 781 (96.9) 25 (3.1)
 Portland, OR 391 (95.1) 20 (4.9)
  1. All variable distributions are significantly different between the consultation and no consultation groups at p ≤ 0.01