Table 2. Trends in Rates of Selected Operations for Children Under Age 15: 1980, 1985, 1990, and 1995.
| 1995 Rate per 10,000 Population
|
1995 Combined Compared with 1980 Inpatient Rate1 | |||||||
|---|---|---|---|---|---|---|---|---|
| Operation Category (ICD-9-CM Code) | Rate of Inpatient Operations per 10,000 Population
|
1980-1995 Inpatient Trend1 | Ambulatory | Ambulatory and Inpatient Combined | ||||
| 1980 | 1985 | 1990 | 1995 | |||||
| All Operations (01-86) | 395.6 | 305.3 | 233.8 | 193.5 | - | 375.2 | 568.7 | + |
| Operations on the Nervous System (01-05) | 20.5 | 30.4 | 38.8 | 38.6 | + | 1.7 | 40.2 | + |
| Spinal Tap (03.31) | 12.6 | 21.9 | 30.6 | 27.2 | + | (2) | 27.8 | + |
| Operations on the Ear (18-20) | 48.9 | 24.9 | 14.9 | 6.4 | - | 112.9 | 119.3 | + |
| Myringotomy with Insertion of Tube (20.01) | 34.1 | 15.2 | 9.0 | 3.8 | - | 90.2 | 94.0 | + |
| Operations on the Nose, Mouth, and Pharynx (21-29) | 92.5 | 59.4 | 25.9 | 13.0 | - | 122.2 | 135.2 | + |
| Operation on Teeth, Gums and Alveoli (23-24) | 8.2 | 6.3 | 1.6 | 1.3 | - | 28.6 | 29.9 | + |
| Tonsillectomy with and Without Adenoidectomy (28.2-28.3) | 57.3 | 38.2 | 13.7 | 4.8 | - | 48.3 | 53.1 | NS |
| Adenoidectomy Without Tonsillectomy (28.6) | 14.3 | 3.8 | 1.5 | 0.7 | - | 23.5 | 24.3 | + |
| Operations on the Digestive System (42-54) | 62.1 | 45.7 | 39.2 | 33.4 | - | 29.1 | 62.5 | NS |
| Appendectomy, Excluding Incidental (47.0) | 15.0 | 13.4 | 12.3 | 9.1 | - | (2) | 9.2 | - |
| Repair of Inguinal Hernia (53.0-53.1) | 19.5 | 10.3 | 4.0 | 1.6 | - | 14.1 | 15.7 | NS |
| Operations on the Musculoskeletal System (76-84) | 48.9 | 45.2 | 29.8 | 25.2 | - | 27.1 | 52.3 | NS |
| Reduction of Fracture and Dislocation (79) | 18.0 | 18.1 | 11.3 | 9.1 | - | 8.1 | 17.2 | NS |
| Operations on Muscle, Tendon, Fascia, and Bursa (82-83) | 9.7 | 7.5 | 4.9 | 4.0 | - | 5.0 | 9.1 | NS |
| Operations on the Integumentary System (85-86) | 25.5 | 20.0 | 15.8 | 16.0 | - | 18.7 | 34.7 | + |
| Excision or Destruction of Lesion or Tissue of Skin and Subcutaneous Tissue (86.2-86.4) | 11.1 | 8.2 | 5.4 | 5.5 | - | 11.8 | 17.3 | + |
1
A plus indicates that the trend or rate was significantly higher; a minus indicates significantly lower; and NS indicates that the trend or the difference in rates was not statistically significant.
2
Estimate is not reliable.
NOTES: Operation categories and code numbers are based on the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM).
SOURCES: National Center for Health Statistics: 1980-1995 National Hospital Discharge Survey and 1995 National Survey of Ambulatory Surgery.