highly significantP < 0.001
The results for each indicator were highly significant, as follows: CSF leukocytes (SMD − 1.73, 95% CI [− 2.31 to − 1.32], P < 0.001), CSF protein (SMD -1.74, 95% CI [− 1.99 to − 1.5], P < 0.001), CSF pressure (SMD − 3.78, 95% CI [− 4.95 to − 2.61], P < 0.001), fever (SMD − 2.45, 95% CI [− 3.55 to − 1.35], P < 0.001), coma (SMD − 3.75, 95% CI [− 4.33 to − 3.17], P < 0.001), and headache (SMD − 3.06, 95% CI [− 4.05 to − 2.07], P < 0.001) (Fig. 3 d-i).