Relative incidence (and 95% confidence intervals) of a general practice consultation for possible gait disorder within 60 days of MMR vaccine in children aged 12 to <24 months according to type of gait disturbance
| Type of gait disorder (category) | Gap between MMR and event date (days) | |||
|---|---|---|---|---|
| 0–5 | 6–30 | 31–60 | 6–60 | |
| Number of cases in each time interval in square brackets. | ||||
| All cases (A to F) | 1.88 (1.30 to 2.72) [31] | 0.90 (0.70 to 1.17) [69] | 0.95 (0.77 to 1.19) [102] | 0.93 (0.78 to 1.12) [171] |
| Ataxia (A) | 0 (–) [0] | 0.72 (0.08 to 6.30) [1] | 1.14 (0.21 to 6.31) [2] | 0.95 (0.22 to 4.12) [3] |
| Unsteady gait (B) | 6.90 (2.67 to 17.8) [6] | 1.49 (0.59 to 3.77) [6] | 1.43 (0.65 to 3.15) [9] | 1.45 (0.74 to 2.84) [15] |
| Unsteady/ataxia (A and B) | 5.21 (2.09 to 12.9) [6] | 1.31 (0.56 to 3.05) [7] | 1.31 (0.64 to 2.66) [11] | 1.31 (0.72 to 2.39) [18] |
| Limping (D) | 1.02 (0.45 to 2.33) [6] | 1.05 (0.71 to 1.57) [30] | 0.75 (0.51 to 1.10) [32] | 0.87 (0.64 to 1.17) [62] |