Table 4

Clinical progress and government intervention

Before intervention After intervention
Presentation score24.2 (14.0)4-150 4-152 16.7 (12.1)4-150 4-153
Final score13.4 (17.6)4-151 4-152 4.2 (6.8)4-151 4-153
Return to diving7/164-154 3/54-154
  • 4-150 p=0.260;

  • 4-151 p=0.232;

  • 4-152 p=0.067;

  • 4-153 p=0.022;

  • 4-154 p=0.535.

  • *†¶ Compare horizontally; ‡§ compare vertically.

  • Mean (SD) presentation scores and final scores (pairedt test, two tailed p values) before and after the beginning of government intervention strategy in February 1995. Proportion of divers returning to diving (V 2 test, two tailed p value). One diver lost to follow up is not included in the return to diving data.