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Observed frequencies of adverse events at all included LP visits.
| All procedures | All procedures 669 (100%) |
LP in Control 177 (100%) |
LP in Premanifest 231 (100%) |
LP in Manifest 261 (100%) |
|---|---|---|---|---|
| LP with any adverse event | (184) 27.5% | 51 (28.81%) | 84 (36.36%) | 49 (18.77%) |
| LP with Post LP headache | (116) 17.34% | 36 (20.34%) | 53 (22.94%) | 27 (10.34%) |
| LP with Post LP back pain | (68) 10.16% | 14 (7.91%) | 35 (15.15%) | 19 (7.28%) |
