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C-type natriuretic peptide levels in the cerebrospinal fluid
| CNP level (pg/ml) | |||
| Day 1 | Day 3 | Day 7 | |
| Group A (positive for spasm) | 15.8 ± 9.6 | 13.1 ± 5.6 | 11.5 ± 5.4 |
| Group B (negative for spasm) | 17.0 ± 5.7 | 13.7 ± 3.1 | 9.1 ± 2.7 |
The reference level was 13.5 ± 4.7 pg/ml. Figures are means ± SD. Day 1 is the day of hospitalization.
