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. 2021 Apr 14;3(2):otab021. doi: 10.1093/crocol/otab021

Table 2.

Clinical Characteristics by Opioids Cohort

Clinical Characteristics Total
(N = 51,178)
None
(N = 33,229)
Acute: Opioids [1, 30]
(N = 13,635)
Moderate: Opioids [31, 90]
(N = 1698)
Chronic: Opioids >90 Days
(N = 2616)
P
Baseline Charlson comorbidity score(continuous) n 51,178 33,229 13,635 1698 2616
Mean (SD) 0.66 (1.23) 0.55 (1.13) 0.70 (1.24) 1.13 (1.52) 1.46 (1.77) <0.001
Baseline Charlson comorbidity score (categorical) <0.001
 0 n 34,760 23,990 8896 815 1059
% 67.92 72.20 65.24 48.00 40.48 <0.001
 1–2 n 12,304 7126 3582 630 966
% 24.04 21.45 26.27 37.10 36.93 <0.001
 3–4 n 3071 1597 886 178 410
% 6.00 4.81 6.50 10.48 15.67 <0.001
 5+ n 1043 516 271 75 181
% 2.04 1.55 1.99 4.42 6.92 <0.001
Total person-years
(N = 173,466)
None
(N = 142,640)
Acute: Opioids [0, 30]
(N = 21,719)
Moderate: Opioids [31, 90]
(N = 3721)
Chronic: Opioids >90 days
(N = 5386)
P
Prior year pain n 89,505 68,011 13,831 2413 5250
% 51.60 47.68 63.68 80.17 86.11 <0.001

SD, standard deviation.