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Table 2 Subgroup meta-analysis of diabetes prevalence in Brazilian adults by diagnosis type and sex

From: Prevalence of diabetes in Brazil over time: a systematic review with meta-analysis

Variables Overall Female Male
N % (95 % CI) I 2 % N % (95 % CI) I 2 % N % (95 % CI) I 2 %
Self-reported
 Age group (years)
  20–69 5 5.1 (2.6–9.8) 99 4 5.1 (3.3–7.8) 98 2 2.7 (0.7–9.1) 99
  >18 23 5.5 (4.8–6.3) 100 21 6.1 (5.5–6.9) 99 20 5.0 (4.2–6.0) 99
  >30 3 7.2 (4.8–10.6) 97 4 9.0 (4.8–16.3) 98 3 6.0 (3.7–9.7) 92
 Region
  South 8 6.2 (5.4–7.1) 78 5 7.3 (6.9–7.7) 0 3 5.5 (4.8–6.4) 0
  Southeast 6 5.0 (2.7–8.9) 99 7 7.4 (4.7–11.6) 97 6 3.9 (1.9–8.0) 99
  Midwest 1 4.4 (3.6–5.4) 1 4.4 (3.4–5.7) 1 4.3 (3.1–6.0)
  Northeast 1 5.1 (3.8–6.9) 1 4.7 (4.2–5.3)
  Multiples/national 15 5.7 (4.9–6.8) 100 15 5.8 (5.0–6.7) 100 15 5.2 (4.2–6.3) 100
 Adjusteda
  Yes 15 5.3 (4.5–6.2) 99 16 5.7 (4.9–6.5) 99 16 4.5 (3.7–5.4) 99
  No 16 5.9 (4.4–7.9) 99 13 7.4 (5.4–9.9) 99 9 5.6 (3.2–9.5) 99
 Overall 31 5.7 (5.1–6.4) 100 29 6.3 (5.7–7.1) 100 25 4.9 (4.1–5.7) 99
Fasting glucose
 Age group (years)
  20–69 2 3.6 (1.7–7.3) 76 2 2.0 (0.3–12.9) 76 2 5.1 (3.8–6.8) 0
  >18 5 6.0 (4.7–7.6) 93 3 9.5 (6.5–13.7) 8.7 3 9.0 (6.3–12.7) 83
 Region
  South 2 5.6 (1.0–25.8) 96 2 3.2 (0.1–42.9) 90 2 7.6 (2.4–21.4) 89
  Southeast 4 6.4 (4.3–9.5) 94 3 6.7 (3.4–12.5) 94 3 6.8 (4.9–9.3) 73
  Multiples/national 1 7.0 (5.7–8.6)
 Adjusteda
  Yes 1 6.0 (4.7–7.6) 1 5.7 (4.0–8.0) 1 6.3 (4.5–8.8)
  No 6 6.7 (4.7–9.4) 94 4 7.2 (4.1–12.3) 92 4 7.5 (4.9–11.4) 86
 Overall 7 6.6 (4.8–8.9) 94 5 6.8 (4.2–11.0) 92 5 7.3 (5.1–10.3) 84
Complex diagnosis
 Age group (years)
  30–69 4 9.4 (7.0–12.6) 96   9.6 (7.2–12.5) 93 4 9.0 (6.4–12.4) 92
  Othersb 3 16.0 (12.5–20.4) 96   16.3 (15.7–17.1) 0   16.6 (11.1–24.1) 95
 Region
  Southeast 4 11.6 (8.4–15.7) 95 4 12.8 (8.9–17.2) 94 4 10.7 (6.7–16.7) 93
  Midwest 1 12.3 (10.7–14.1) 1 12.1 (10.0–14.4) 1 12.6 (10.2–15.5)
  Multiples/national 2 12.3 (4.5–29.5) 100 2 11.4 (3.4–21.2) 100 2 13.3 (4.1–35.8) 100
 Adjusteda
  Yes 6 11.5 (6.4–17.7) 100 6 11.5 (7.5–16.2) 99 6 11.0 (5.9–19.5) 99
  No 1 15.0 (13.6–16.6) 1 17.0 (15.2–18.9) 1 16.6 (13.9–19.6)
 Overall 7 11.9 (7.7–17.8) 100 7 12.2 (8.4–16.6) 99 7 11.7 (6.8–19.3) 99
  1. Complex diagnosis: OGTT + fasting glucose + self-reported, e.g
  2. aAdjustment to the design effect
  3. bStudies (age): Bosi et al. [58] (30–79); Moraes et al. [60] (>30) and Schmidt et al. [63] (35–74)