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. 1999 Fall;21(1):31–49.

Table 3. Trends in Rates of Selected Operations for Persons Age 15-44: 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) 1,294.0 1,157.7 1,169.4 1,013.8 - 713.2 1,727.1 +
Operations on the Digestive System (42-54) 186.4 167.4 128.0 109.1 - 158.1 267.3 +
 Endoscopy of Small Intestine with or Without Biopsy (45.11-45.14,45.16) 8.6 11.6 12.7 12.3 + 32.9 45.2 +
 Endoscopy of Large Intestine with or Without Biopsy (45.21-45.25) 12.4 10.5 6.8 5.4 - 27.2 32.5 +
 Cholecystectomy (51.2) 16.1 14.9 17.7 13.7 - 10.4 24.1 +
Operations on Female Genital Organs (65-71)2 600.6 431.0 292.4 223.2 - 256.1 479.3 -
 Bilateral Destruction or Occlusion of Fallopian Tubes (66.2-66.3)2 119.3 81.5 71.5 55.0 - 59.7 114.7 NS
 Dilation and Curettage of Uterus (69.0)2 179.6 84.6 30.2 15.0 - 54.2 69.2 -
Obstetrical Procedures (72-75)3 95.8 111.7 168.7 169.1 + (4) 169.3 +
 Episiotomy (72.1, 72.21, 72.31, 72.71, 73.6)3 53.6 47.2 42.6 37.4 - (4) 37.4 -
 Cesarean Section (74.0-74.2, 74.4, 74.99)3 16.4 22.8 23.5 20.9 + (4) 20.9 +
 Repair of Current Obstetric Laceration (75.5-75.6)3 9.4 14.2 19.8 25.6 + (4) 25.6 +
Operations on the Musculoskeletal System (76-84) 149.3 138.1 109.5 85.6 - 168.5 254.0 +
 Reduction of Fracture and Dislocation (79) 25.7 25.3 20.3 18.7 - 8.5 27.2 NS
 Operations on Muscle, Tendon, Fascia, and Bursa (82-83) 18.5 14.0 11.5 7.3 - 22.4 29.7 +
Operations on the Integumentary System (85-86) 81.5 60.3 45.4 35.8 - 68.5 104.3 +
 Excision or Destruction of Lesion or Tissue of Skin and Subcutaneous Tissue (86.2-86.4) 31.1 21.8 15.6 11.5 - 26.5 38.0 +
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

Rate per 10,000 female population.

3

Rate per 100 deliveries.

4

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.