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Table 3 Number of patients and risk of acute care use for hypertension-related disease, limiting to patients with any healthcare utilization during 25–36 months after bariatric surgery

From: Association of bariatric surgery with risk of acute care use for hypertension-related disease in obese adults: population-based self-controlled case series study

  Number of patients Risk, % (95% CI)a aOR (95% CI)b P value
Time interval (n = 325)    
13–24 months before bariatric surgery 59 18.2 (13.9–22.4) Reference
1–12 months before bariatric surgery 52 16.0 (12.0–20.0) 0.87 (0.59–1.29) 0.49
0–12 months after bariatric surgery 29 8.9 (5.8–12.0) 0.47 (0.30–0.74) 0.001
13–24 months after bariatric surgery 41 12.6 (9.0–16.2) 0.68 (0.45–1.02) 0.06
  1. CI confidence interval, aOR adjusted odds ratio
  2. aAt least one acute care use (ED visit or unplanned hospitalization) for HTN-related disease
  3. bAdjusted odds ratios are for each 12-month period versus the reference period (i.e., 13–24 months before the index bariatric surgery), as calculated with conditional logistic regression