Table 2: Subgroup analyses regarding the pooled recovery rates (%) at 1, 3, and 6 months.

SubgroupRate (95% CI)
1 month3 months6 months

Treatment types
 Nonspecific treatment46.2 (35.5–57.3)*72.5 (48.7–88.1)87.6 (83.4–90.8)
 Specific treatment71.9 (61.7–80.3)81.5 (71.0–88.8)85.2 (74.7–91.9)
Patient types
 Inpatient70.5 (63.5–76.6)77.6 (51.9–91.8)82.1 (64.3–92.1)
 Outpatient64.5 (49.2–77.3)71.2 (62.0–80.8)87.8 (83.9–90.8)
Diagnostic age
 ≥18 months77.8 (66.1–86.3)88.2 (68.1–96.3)83.5 (65.5–93.1)
 <18 months74.7 (60.8–84.9)76.5 (62.0–86.6)87.4 (79.8–92.4)
Duration of exposure
 ≥12 months81.2 (62.8–91.8)71.7 (52.8–85.2)79.9 (48.2–94.4)
 <12 months71.2 (59.8–80.4)68.2 (46.6–84.0)87.5 (80.7–92.1)

* value for test of heterogeneity between subgroup estimates was <0.001; all other values for test of heterogeneity were >0.05.