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Table 9 Reported doctor visits in prior year: comparison between dry eye disease and control populations

From: Study design and baseline findings from the progression of ocular findings (PROOF) natural history study of dry eye

Time Period

Category

Statistic

All cases (n = 217)

All controls (n = 67)

P-value

Past Year

Doctor visits related to dry eye

    

Mean (SD)

0.10 (0.439)

0.00 (0.000)

 

Min–Max

0.0–4.0

0.0–0.0

 

1 Visit, n (%)

7 (3.23%)

0 (0.00)

 

>1 Visit, n (%)

3 (1.38%)

0 (0.00)

 

Ophthalmologist

N

159

47

<0.0001

Mean (SD)

0.64 (1.002)

0.00 (0.000)

 

Min–Max

0.0–6.0

0.0–0.0

 

1 Visit, n (%)

35 (16.13%)

0 (0.00)

 

>1 Visit, n (%)

27 (12.44%)

0 (0.00)

 

Optometrist

N

158

47

0.0013

Mean (SD)

0.37 (0.919)

0.00 (0.000)

 

Min–Max

0.0–6.0

0.0–0.0

 

1 Visit, n (%)

17 (7.83%)

0 (0.00)

 

>1 Visit, n (%)

14 (6.45%)

0 (0.00)

 

Rheumatologist

N

154

46

0.4085

Mean (SD)

0.05 (0.425)

0.00 (0.000)

 

Min–Max

0.0–5.0

0.0–0.0

 

1 Visit, n (%)

3 (1.38%)

0 (0.00)

 

>1 Visit, n (%)

1 (0.46%)

0 (0.00)

 

Mental health counselor

N

154

46

0.5860

Min–Max

0.0–5.0

0.0–0.0

 

1 Visit, n (%)

0 (0.00)

0 (0.00)

 

>1 Visit, n (%)

1 (0.46%)

0 (0.00)

 

Other

N

86

32

0.2323

Mean (SD)

0.08 (0.382)

0.00 (0.000)

 

Min–Max

0.0–2.0

0.0–0.0

 

1 Visit, n (%)

1 (0.46%)

0 (0.00)

 

>1 Visit, n (%)

3 (1.38%)

0 (0.00)