Table 1 Demographic information, procedure types, and frequency of each procedure. There were 4,017 total procedures for 3,592 patients in the study period
From: Obstetric operating room staffing and operating efficiency using queueing theory
Attribute | Mean ± Standard Deviation | ||
Age (years) | 30.9 ± 3.1 | ||
n | Percent % | ||
ASA PS | |||
2 | 2751 | 76.6% | |
3 | 814 | 22.7% | |
4 | 27 | 0.8% | |
ASA PS “E” designation | 1801 | 50.1% | |
Race | |||
White | 2444 | 68.8% | |
Black | 730 | 20.6% | |
Other | 376 | 10.6% | |
Total | 3550 | ||
Obese (BMI ≥ 30 kg/m2) | 2087 | 61.2% | |
Morbidly Obese (BMI ≥ 40 kg/m2) | 553 | 16.1% | |
Procedure | n | Percent % | Mean ± Standard Deviation Anesthesia Time (minutes) |
Cesarean Delivery | 3092 | 77.0% | 103.3 ± 35.5 |
Postpartum Tubal Ligation | 513 | 12.8% | 105.0 ± 36.1 |
Vaginal Delivery (twins, double set-up) | 110 | 2.7% | 77.8 ± 26.8 |
D&C, retained placenta | 88 | 2.2% | 73.1 ± 25.1 |
External Cephalic Version | 79 | 2.0% | 79.3 ± 27.3 |
Cerclage | 25 | 0.6% | 55.0 ± 18.9 |
PUBS/Laser/RFA/all fetal procedures | 24 | 0.6% | 81.5 ± 28.0 |
Emergency set-up with monitoring for non-reassuring fetal heart tones | 21 | 0.5% | 46.2 ± 15.9 |
Laceration Repairs | 21 | 0.5% | 87.1 ± 30.0 |
Cystoscopy | 21 | 0.5% | 209.3 ± 72.0 |
Abdominal hysterectomy | 11 | 0.3% | 281.3 ± 96.8 |
B-lynch | 6 | 0.1% | 145.2 ± 49.9 |
Laparotomy | 6 | 0.1% | 149.8 ± 51.5 |