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Table 1 Population statistics between cases and matched controls in EMR and Claims Data. Ethnicity data was only available for a subset of patients

From: Accelerating diagnosis of Parkinson’s disease through risk prediction

 

EMR

Claims

PD Cases

Matched PD Controls

PD Cases

Matched PD Controls

Total

3251

18,851

5131

23,085

Male (%)

1903 (58.5)

11,131 (59.0)

3151 (61.4)

14,177 (61.4)

Age at First Observation (STD)

63.15 (10.78)

63.94 (10.909)

69.01 (10.33)

68.71 (10.34)

Age at Baseline (STD)

72.48 (9.33)

72.64 (10.39)

73.70 (10.23)

73.69 (10.23)

Fraction White (*data available in 20% of claims records) (Count)

87.6 (2847)

87.8 (16533)

81.8* (980)

80.6* (4237)

Percentage African American (*among available) (Count)

2.4 (78)

3.44 (647)

1.92 (23)

4.25* (223)

Percentage Hispanic (*among available) (Count)

2.4 (78)

1.47 (276)

3.42 (41)

2.85* (150)

Percentage Asian (*among available) (Count)

1.66 (54)

1.01 (207)

2.84 (34)

2.85* (150)

Percentage Other Race (*among available) (Count)

5.93 (193)

6.21 (1170)

10.01* (120)

9.41* (495)

Enrollment Months (STD)

209.08 (78.66)

186.77 (75.62)

106.51 (17.84)

104.86 (18.62)

Enrollment Months Prior to Baseline (STD)

111.88 (72.57)

104.29 (68.90)

61.49 (17.59)

64.95 (18.47)

Enrollment Months After Baseline (STD)

97.68 (58.94)

82.99 (51.43)

45.14 (16.06)

40.04 (13.44)