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Table 1 Age-standardized rates (per 100 population) and standardized rate ratios for diabetes-related visits, ophthalmologists visits and ophthalmologist visits amongst people with diabetes in those of all ages, Prince Edward Island, Canada, 2010–2012

From: Policy implications of regional variations in eye disease detection and treatment on Prince Edward Island: a repeated cross-sectional analysis, 2010–2012

Year; region

Diabetes visits

Ophthalmologist visits

Ophthalmologist visits amongst those with diabetes

Number of visits

Rate (95% CI)a

SRR (95% CI)

Number of visits

Rate (95% CI)a

SRR (95% CI)

Number of visits

Rate (95% CI)a

SRR (95% CI)

2010

 Charlottetown

2157

5.18 (4.96, 5.40)

0.92 (0.87, 0.98)

3743

8.97 (8.68, 9.26)

Ref.

227

7.18 (5.69, 8.67)

Ref.

 Summerside§#

1035

5.93 (5.56, 6.29)

1.06 (0.98, 1.14)

1275

7.15 (6.75, 7.54)

0.80 (0.75, 0.85)

74

4.30 (2.90, 5.70)

0.60 (0.42, 0.86)

 Prince§#

1668

5.62 (5.35, 5.88)

Ref.

1999

6.70 (6.40, 6.99)

0.75 (0.71, 0.79)

71

4.20 (2.32, 6.08)

0.58 (0.38, 0.90)

 Kings & Queens¶§

2128

4.89 (4.68, 5.10)

0.87 (0.82, 0.93)

3273

7.58 (7.32, 7.84)

0.84 (0.81, 0.89)

197

8.51 (6.36, 10.66)

1.18 (0.85, 1.65)

 Stratford

354

4.55 (4.07, 5.02)

0.81 (0.73, 0.90)

665

8.62 (7.96, 9.28)

0.96 (0.89, 1.04)

44

7.05 (4.42, 9.67)

0.98 (0.64, 1.50)

2011

 Charlottetown

2520

6.05 (5.81, 6.29)

0.91 (0.86, 0.97)

4347

10.41 (10.10, 10.72)

Ref.

288

7.18 (5.82, 8.53)

Ref.

 Summerside§#

1223

7.01 (6.62, 7.41)

1.06 (0.98, 1.14)

1419

7.98 (7.56, 8.39)

0.77 (0.72, 0.81)

80

3.79 (2.69, 4.89)

0.53 (0.38, 0.73)

 Prince§#

1972

6.64 (6.34, 6.93)

Ref.

2316

7.75 (7.44, 8.07)

0.74 (0.71, 0.78)

88

4.02 (2.46, 5.59)

0.56 (0.38, 0.82)

 Kings & Queens¶§

2554

5.88 (5.65, 6.10)

0.89 (0.83, 0.94)

3700

8.57 (8.29, 8.84)

0.82 (0.79, 0.86)

231

7.15 (5.65, 8.66)

1.00 (0.75, 1.32)

 Stratford

411

5.28 (4.77, 5.80)

0.80 (0.72, 0.88)

802

10.37 (9.65, 11.10)

1.00 (0.92, 1.07)

52

7.97 (5.25, 10.69)

1.11 (0.74, 1.66)

2012

 Charlottetown

2490

5.97 (5.74, 6.21)

0.86 (0.81, 0.91)

4361

10.44 (10.13, 10.75)

Ref.

274

6.49 (5.24, 7.74)

Ref.

 Summerside§#

1165

6.65 (6.27, 7.03)

0.96 (0.89, 1.03)

1457

8.19 (7.77, 8.61)

0.78 (0.74, 0.83)

79

3.92 (2.77, 5.08)

0.60 (0.43, 0.84)

 Prince§#

2060

6.93 (6.63, 7.23)

Ref.

2310

7.74 (7.43, 8.06)

0.74 (0.71, 0.78)

91

3.88 (2.31, 5.44)

0.60 (0.40, 0.89)

 Kings & Queens¶§

2646

6.10 (5.87, 6.33)

0.88 (0.83, 0.93)

3848

8.92 (8.64, 9.20)

0.85 (0.82, 0.89)

246

8.21 (6.42, 10.00)

1.27 (0.94, 1.70)

 Stratford

423

5.44 (4.92, 5.97)

0.79 (0.71, 0.87)

842

10.90 (10.16, 11.64)

1.04 (0.97, 1.13)

49

6.79 (4.45, 9.12)

1.05 (0.70, 1.56)

  1. Abbreviations: CI confidence intervals, Ref reference, SRR Standardized rate ratio
  2. Regions were defined based on distinctive forward sortation areas (first 3 digits of the postal code)
  3. aRates were age-standardized to the 2011 Prince Edward Island population
  4. P < 0.05 for diabetes related visits compared to Prince
  5. § P < 0.05 for ophthalmologist visits compared to Charlottetown
  6. # P < 0.05 for ophthalmologist visits amongst those with diabetes compared to Charlottetown