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Table 2 Rates per patient year (95% CI) and rate ratios (95% CI) of GP consultations, tests, prescriptions and referrals from 10 years before until 10 years after a first recorded diagnosis of CFS/ME in paediatric cases compared with controls

From: Health care resource use by patients before and after a diagnosis of chronic fatigue syndrome (CFS/ME): a clinical practice research datalink study

 

Year −10 to −6

Year −5 to −1

Year 0

Year 1 to 5

Year 6 to 10

Total person years

 Cases

2088

3715

916

3290

1076

 Controls

1996

3591

916

3257

1077

GP consultations

 Cases (rate)

3.77 (3.69, 3.85)

4.43 (4.36, 4.49)

8.22 (8.04, 8.41)

4.42 (4.35, 4.49)

4.01 (3.89, 4.13)

 Controls (rate)

2.59 (2.52, 2.66)

1.89 (1.84, 1.93)

2.01 (1.91, 2.10)

2.36 (2.31, 2.42)

2.47 (2.38, 2.57)

 Rate ratio

1.45 (1.40, 1.51)

2.34 (2.28, 2.41)

4.10 (3.90, 4.31)

1.87 (1.82, 1.92)

1.62 (1.54, 1.70)

Diagnostic tests

 Cases (rate)

1.42 (1.37, 1.47)

8.44 (8.35, 8.54)

29.4 (29.1, 29.8)

10.3 (10.2, 10.4)

11.8 (11.6, 12.0)

 Controls (rate)

0.53 (0.49, 0.56)

1.21 (1.17, 1.24)

2.28 (2.19, 2.38)

3.90 (3.83, 3.97)

5.00 (4.87, 5.14)

 Rate ratio

2.70 (2.51, 2.89)

7.01 (6.79, 7.23)

12.9 (12.3, 13.5)

2.64 (2.59, 2.70)

2.37 (2.29, 2.44)

Prescriptions

 Cases (rate)

3.00 (2.93, 3.08)

3.37 (3.31, 3.43)

5.67 (5.52, 5.83)

3.83 (3.77, 3.90)

3.65 (3.54, 3.77)

 Controls (rate)

2.08 (2.02, 2.14)

1.46 (1.42, 1.50)

1.71 (1.62, 1.79)

1.92 (1.88, 1.97)

1.99 (1.91, 2.07)

 Rate ratio

1.44 (1.39, 1.50)

2.31 (2.23, 2.38)

3.33 (3.14, 3.52)

1.99 (1.93, 2.05)

1.84 (1.74, 1.93)

Referrals

 Cases (rate)

0.25 (0.23, 0.27)

0.43 (0.41, 0.45)

1.28 (1.21, 1.35)

0.42 (0.40, 0.44)

0.39 (0.36, 0.43)

 Controls (rate)

0.18 (0.16, 0.20)

0.14 (0.13, 0.15)

0.15 (0.12, 0.17)

0.16 (0.15, 0.17)

0.16 (0.13, 0.18)

 Rate ratio

1.40 (1.22, 1.60)

3.08 (2.79, 3.41)

8.83 (7.38, 10.6)

2.61 (2.36, 2.89)

2.53 (2.12, 3.03)