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Table 3 Weighted estimates for calculus prevalence and extent in 12-year-old Puerto Ricans by regiona, 2011

From: Prevalence of gingivitis and calculus in 12-year-old Puerto Ricans: a cross-sectional study

      Total Calculus Supragingival Calculus Subgingival Calculusc
Region N % N Wtb N Wt N% % 95% CI % 95% CI % 95% CI
North 165 10.40 297 18.73 45.42 (32.59–58.25) 36.09 (25.43–46.75) 18.36 (7.97–28.75)
East 129 8.13 69 4.35 61.56 (45.78–77.33) 55.82 (41.76–69.87) 15.02 (5.02–25.03)
Metropolitan 363 22.89 581 36.63 69.41 (60.31–78.51) 66.96 (58.08–75.84) 20.30 (11.85–28.73)
San Juan 163 10.28 164 10.34 75.79 (62.80–88.78) 73.84 (61.33–86.34) 27.04 (15.34–38.74)
Central 222 14.00 243 15.32 53.78 (44.31–63.25) 49.45 (41.01–57.89) 15.84 (10.79–20.89)
Southeast 143 9.02 67 4.22 64.67 (54.73–74.61) 60.79 (49.82–71.76) 16.15 (9.63–22.68)
Ponce 68 4.29 29 1.83 43.04 (31.73–54.35) 41.31 (31.28–51.33) 8.29 (0.00–17.06)
Southwest 82 5.17 13 0.82 74.39 (64.70–84.08) 63.05 (53.04–73.06) 27.18 (16.17–38.19)
West 78 4.92 47 2.96 64.35 (49.19–79.50) 57.96 (42.81–73.10) 25.50 (11.41–39.60)
Northwest 77 4.85 46 2.90 51.55 (26.80–76.30) 42.93 (14.37–71.49) 24.87 (10.65–39.08)
Northeast 96 6.05 30 1.89 72.40 (59.79–85.01) 71.43 (59.59–83.29) 26.22 (15.01–37.43)
Total PR 1,586 100 1,586 100 61.59 (56.61–66.57) 57.09 (52.03–62.15) 19.78 (16.01–23.55)
  1. aPuerto Rico government health insurance regions, as in 1997
  2. bweighted
  3. calone or accompanied by supragingival calculus