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Table 2 Number and cumulative percentages of patients matched at each steps, during phase 1 and phase 2 of the linkage process

From: Linking disease registries and nationwide healthcare administrative databases: the French renal epidemiology and information network (REIN) insight

 

Phase 1

Phase 2

Global

Patients who received a kidney transplant between 2014 and 2015 (N = 2889)

Patients who started dialysis between 2014 and 2015, and phase 1 unmatched patients (N = 19,184)

Total patients who started RRT between 2014 and 2015 (N = 22,073)

Steps

N (%)

Cumulative %

N (%)

Cumulative %

N (%)

Cumulative %

1

1216 (42.1)

42.1

8776 (45.7)

45.7

9992 (45.3)

45.3

2

887 (30.7)

72.8

2142 (11.2)

56.9

3029 (13.7)

59.0

3

122 (4.2)

77.0

1283 (6.7)

63.6

1405 (6.4)

65.4

4

85 (2.9)

80.0

263 (1.4)

65.0

348 (1.6)

66.9

5

179 (6.2)

86.2

693 (3.6)

68.6

872 (4)

70.9

6

117 (4)

90.2

179 (0.9)

69.5

296 (1.3)

72.2

7

8 (0.3)

90.5

734 (3.8)

73.3

742 (3.4)

75.6

8

12 (0.4)

90.9

320 (1.7)

75.0

332 (1.5)

77.1

9–12

56 (1.9)

92.8

466 (2.4)

77.4

522 (2.4)

79.5

13

41 (1.4)

94.3

541 (2.8)

80.3

582 (2.6)

82.1

14

24 (0.8)

95.1

171 (0.9)

81.2

195 (0.9)

83.0

15

12 (0.4)

95.5

489 (2.5)

83.7

501 (2.3)

85.2

16

0 (0)

95.5

53 (0.3)

84.0

53 (0.2)

85.5

17–24

4 (0.1)

95.6

350 (1.8)

85.8

354 (1.6)

87.1

Total matched

2763 (95.6)

 

16,460 (85.8)

 

19,223 (87.1)

 

Unmatched

126 (4.4)

 

2724 (14.2)

 

2850 (12.9)