Table 2.
Sex and follow up in studies comparing two different types of dural substitutes in Chiari malformation decompressive surgery
| Reference | Type of study | No. of patients | Sex (male) | Mean or median F/U (range) | ||||
|---|---|---|---|---|---|---|---|---|
| Group 1 | Group 2 | All | Group 1 | Group 2 | All | |||
| Attenello et al. 2009[10] | Retrospective, 10-year period not specified | 67 | 48% | 26% | 39% | 16 mos. Median (6-28) | 14 mos. Median (6-17) | 16 mos. Median (6-24) |
| Retrospective, 2002-2004 | 101 | ‐ | ‐ | 45% | ‐ | ‐ | 10 mos. (1-24) | |
| Danish et al., 2006[11] | ||||||||
| Vanaclocha and Saiz-Sapena, 1997[1] | Sequential, prospective, 1989-1995 | 26 | ‐ | ‐ | 53% | ‐ | ‐ | 27 mos. (6-58) |
| Total | 194 | ‐ | (1-58 months) | |||||