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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Ann Surg. 2022 Jan 1;275(1):e99–e106. doi: 10.1097/SLA.0000000000003827

Table 4.

Association between Preoperative Opioid Exposure and Respiratory-related Complications, Opioid-related Complications, Pain-related Complications, and General Readmissions within 30 days after Discharge

Opioid-related Readmissions Pain-related Readmissions Respiratory-related Readmissions General Readmissions
OR (95% CI) p-value OR (95% CI) p-value OR (95% CI) p-value OR (95% CI) p-value
Preop Opioid Exposure Group (Ref: Opioid-naïve)
 Minimal 1.36 (1.00 1.85) 0.052 1.12 (1.07 1.16) <0.001 1.00 (0.94 1.06) 0.974 1.00 (0.97 1.03) 0.931
 Low 1.63 (1.26 2.12) <0.001 1.27 (1.23 1.32) <0.001 1.10 (1.05 1.16) <0.001 1.09 (1.06 1.12) <0.001
 Moderate 1.90 (1.38 2.61) <0.001 1.40 (1.34 1.47) <0.001 1.24 (1.16 1.32) <0.001 1.16 (1.12 1.20) <0.001
 High 3.70 (2.71 5.04) <0.001 1.62 (1.53 1.71) <0.001 1.44 (1.34 1.55) <0.001 1.23 (1.18 1.29) <0.001
Age, y (Ref: 65–69)
 70–74 0.84 (0.66 1.09) 0.188 1.06 (1.02 1.10) 0.002 1.11 (1.05 1.17) <0.001 1.08 (1.06 1.11) <0.001
 75–79 1.08 (0.83 1.41) 0.577 1.17 (1.12 1.22) <0.001 1.37 (1.30 1.44) <0.001 1.23 (1.20 1.27) <0.001
 80–84 1.16 (0.85 1.58) 0.343 1.32 (1.26 1.38) <0.001 1.51 (1.43 1.61) <0.001 1.41 (1.36 1.46) <0.001
 ≥85 1.40 (0.98 1.99) 0.065 1.55 (1.47 1.63) <0.001 1.92 (1.79 2.05) <0.001 1.64 (1.58 1.71) <0.001
Female (Ref: Male) 1.14 (0.93 1.41) 0.204 1.00 (0.97 1.02) 0.714 0.92 (0.88 0.96) <0.001 0.82 (0.81 0.84) <0.001
Race (Ref: White)
 Black 0.92 (0.60 1.40) 0.696 1.27 (1.20 1.33) <0.001 1.05 (0.97 1.12) 0.229 1.28 (1.23 1.33) <0.001
 Hispanic 0.98 (0.61 1.55) 0.919 0.92 (0.86 0.97) 0.005 0.69 (0.63 0.75) <0.001 0.96 (0.92 1.01) 0.084
 Other 1.24 (0.67 2.26) 0.495 0.97 (0.89 1.05) 0.421 0.74 (0.66 0.84) <0.001 0.98 (0.92 1.04) 0.439
 Missing 2.33 (0.95 5.71) 0.065 0.86 (0.69 1.07) 0.177 0.68 (0.48 0.97) 0.036 0.83 (0.70 0.97) 0.021
Medicaid eligibility (Ref: No) 0.68 (0.51 0.91) 0.009 1.29 (1.24 1.34) <0.001 1.64 (1.56 1.71) <0.001 1.33 (1.29 1.36) <0.001
Charlson Comorbidity Index (Ref: None (CCI 0))
 Mild (CCI 1, 2) 0.88 (0.68 1.15) 0.342 1.19 (1.15 1.24) <0.001 1.50 (1.41 1.60) <0.001 1.20 (1.17 1.24) <0.001
 Moderate (CCI 3, 4) 0.96 (0.72 1.30) 0.802 1.37 (1.31 1.43) <0.001 1.98 (1.85 2.11) <0.001 1.42 (1.38 1.47) <0.001
 Severe (CCI ≥5) 1.22 (0.90 1.66) 0.205 1.71 (1.63 1.79) <0.001 2.65 (2.48 2.84) <0.001 1.84 (1.78 1.90) <0.001
History of tobacco use (Ref: Non-smoker) 1.26 (1.00 1.60) 0.052 1.13 (1.09 1.17) <0.001 1.49 (1.43 1.56) <0.001 1.12 (1.09 1.15) <0.001
Surgery type None (Ref: Minor)
 Major 1.90 (1.53 2.36) <0.001 1.21 (1.17 1.24) <0.001 1.19 (1.15 1.24) <0.001 1.20 (1.17 1.22) <0.001
Mental Health Disorders
 Adjustment (Ref: No) 1.60 (1.03 2.50) 0.037 1.01 (0.92 1.10) 0.878 0.94 (0.83 1.06) 0.327 1.02 (0.95 1.09) 0.554
 Anxiety 1.20 (0.94 1.54) 0.147 1.16 (1.12 1.21) <0.001 1.14 (1.08 1.20) <0.001 1.13 (1.10 1.17) <0.001
 Mood 1.15 (0.90 1.46) 0.267 1.19 (1.15 1.23) <0.001 1.19 (1.13 1.25) <0.001 1.17 (1.14 1.20) <0.001
 Suicide or self-harm 1.24 (0.43 3.55) 0.687 1.43 (1.15 1.78) 0.001 1.03 (0.76 1.39) 0.838 1.38 (1.15 1.66) 0.001
 Disruptive 1.83 (0.84 3.98) 0.128 1.00 (0.83 1.20) 0.960 0.86 (0.67 1.12) 0.264 1.05 (0.91 1.21) 0.532
 Personality 1.38 (0.48 3.94) 0.551 1.12 (0.88 1.41) 0.362 0.95 (0.69 1.30) 0.745 1.21 (1.01 1.46) 0.042
 Psychosis 1.41 (0.90 2.22) 0.132 1.16 (1.08 1.25) <0.001 1.33 (1.21 1.45) <0.001 1.19 (1.12 1.27) <0.001
 Alcohol or other substance use disorders 2.44 (1.77 3.37) <0.001 1.20 (1.12 1.29) <0.001 0.99 (0.90 1.09) 0.860 1.19 (1.12 1.25) <0.001
 Other Mental Disorders 1.55 (1.06 2.27) 0.023 1.18 (1.10 1.27) <0.001 1.10 (1.00 1.21) 0.057 1.12 (1.06 1.18) <0.001
Pain Disorders
 Arthritis (Ref: No) 1.38 (0.96 1.97) 0.083 1.16 (1.11 1.21) <0.001 0.89 (0.84 0.94) <0.001 0.89 (0.87 0.92) <0.001
 Back 1.04 (0.85 1.28) 0.696 1.14 (1.11 1.18) <0.001 1.01 (0.97 1.06) 0.528 1.06 (1.04 1.08) <0.001
 Neck 1.11 (0.87 1.40) 0.403 1.02 (0.98 1.06) 0.299 0.96 (0.91 1.01) 0.112 0.98 (0.95 1.00) 0.087
 Other pain 1.14 (0.93 1.39) 0.203 1.22 (1.19 1.26) <0.001 1.18 (1.13 1.22) <0.001 1.15 (1.13 1.18) <0.001
Any hospitalization in previous year (Ref: No) 1.12 (0.88 1.43) 0.367 1.28 (1.24 1.32) <0.001 1.46 (1.40 1.53) <0.001 1.36 (1.33 1.40) <0.001
Skilled nursing facility stay in previous year (Ref: No) 1.32 (0.91 1.91) 0.151 0.99 (0.94 1.06) 0.853 1.15 (1.06 1.23) <0.001 1.02 (0.98 1.08) 0.323
Benzo and Opioid filled concurrently during periop period (Ref: No) 2.08 (1.55 2.78) <0.001 1.19 (1.12 1.26) <0.001 1.01 (093 1.11) 0.774 1.13 (1.08 1.19) <0.001