Table 1

Type and severity of episodes

No of episodes of each grade
Type of episodeNo of patientsNo of episodesMinorModerateMajorNo of persistent episodesNo of deaths
*Several patients had episodes of more than one type and only 198 different patients were affected.
Reactions to diagnostic procedures292910613174
Reactions to therapeutic drugs103119614414464
Reactions to transfusions24311711390
Reactions to other therapeutic procedures242411112142
Acquired infections21232714156
Miscellaneous hospital hazards131493240