Table 6.
Patients' characteristics of emergency laparoscopic cholecystectomy: a case-match study
| Human assistant (n = 20) |
Soloassist II (n = 20) |
p | |||||
|---|---|---|---|---|---|---|---|
| mean | SD | range | mean | SD | range | ||
| Age | 58.9 | 21.1 | 27–93 | 60.2 | 18.3 | 29–90 | 0.85 |
| Sex, male/female | 9/11 | 8/12 | 0.76 | ||||
| BMI, kg/m2 | 22.4 | 4.9 | 15.6–33.8 | 23.3 | 3.4 | 17.5–29.8 | 0.44 |
| ASA score | |||||||
| 1 | 6 | 7 | |||||
| 2 | 8 | 8 | 0.70 | ||||
| 3 | 6 | 5 | |||||
| Number of doctors | 2.7 | 0.47 | 2–3 | 2.3 | 0.47 | 2–3 | 0.01 |
| Operation duration, min | 113.4 | 43.8 | 45–219 | 94.8 | 34.2 | 41–160 | 0.14 |
| Set-up time, min | 38.3 | 6.19 | 24–45 | 34.4 | 5.84 | 20–46 | 0.36 |
| Bleeding, ml | 35.8 | 77.0 | 5–250 | 52.8 | 21.7 | 5–400 | 0.54 |
| LOHS, days | 7.1 | 3.1 | 3–14 | 4.0 | 2.0 | 2–11 | 0.04 |
Set-up time = Duration between room entry to skin incision; LOHS = postoperative length of hospital stay.