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Appendix 2 CODE SHEETS A detailed code for the acute injury was printed in full detail on several code sheets, both to facilitate statistical processing and to provide the follow-up examiner with the essential data abstracted from Army clinical records. The code sheets themselves, with their detailed classifications, are too bulky to reproduce but the information they contain is outlined below. The more important classifications in the code appear in tables throughout the text. Outline of Code for Acute Injury I. Case number and race II. The wound A. Age in years at injury B. Type of wound C. Agent D. Most important single head wound Location Regions wounded Entrance Region Side Exit or lodgement Region Side Mean diameter of cranial defect Depth E. Second head wound Location Regions wounded Entrance Region Side Exit or lodgement Region Side Mean diameter of cranial defect Depth F. Location of other wounds G. Immediate complications H. Period of unconsciousness I. Period of confusion J. Neurological deficit at time of wound 169

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III. Debridement A. First debridement done 1. Time from injury 2. Chemotherapy Drug Mode B. First debridement reported 1. Operator's MOS and level of training 2. Time from injury 3. Extent 4. Intracranial foreign bodies removed 5. Closure Scalp Dural 6. Chemotherapy Drug Mode 7. Complications 8. Healing C. Second debridement D. Third debridement IV. Cranioplasty A. Time after injury B. Time of cranioplasty relative to debridement C. Healing and infection after cranioplasty D. Type of plate E. Convulsions following cranioplasty F. Occurrence of epilepsy relative to time of cranioplasty G. Further cranioplasty V. X-rays (Army only) / A. Result of intracranial X-rays B. Time of injury to last Army X-ray VI. Epilepsy in service A. Time from injury to first episode recorded B. Typical episodes 1. Type of attack 2. Aura 3. Post-ictal phenomena C. Petit mal attacks D. Grand mal attacks E. Anti-convulsive medications in 3-month periods after injury VII. Cortical resection 170

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VIII. Discharge from service A. Time from injury to discharge B. Neurological symptoms at discharge C. Neurological abnormalities at discharge D. Reason for discharge IX. Pneumoencephalograms A. Time from injury to each PEG (1st, 2d, 3d) B. Type of each PEG (1st, 2d, 3d) C. Time since last PEG (1st to 2d, 2d to 3d) D. Change between PEGs (1st to 2d, 2d to 3d) X. Electroencephalograms A. Number of EEGs made B. EEG within 6 months of injury 1. Time from injury to EEG 2. Type 3. General characteristics 4. Generalized abnormalities 5. Focal abnormalities a. Location b. Type 6. Activated EEG 7. Focal activated changes a. Location b. Side C. Six to 12 months after injury (Same as B) D. Twelve to 24 months after injury (Same as B) E. More than 24 months after injury (Same as B) XI. Cortical operations A. Cause B. Type C. Findings D. Type of cortical procedure E. Dural repair F. Cranial repair G. Postoperative healing H. Postoperative sequelae I. Postoperative neurological state 1. Convulsions 2. Status J. Time from injury 630802—62 13 171

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