Table 3.
Heart Rate Variability Data Comparison during Cholecystectomy
| Single port (n=43) | 4 Port (n=40) | Total (n=83 | p Value | |
|---|---|---|---|---|
| Age>=65 y, n (%) | 9 (19.6) | 5 (11.6) | 14 (15.7) | 0.3041 |
| Female, n (%) | 38 (82.6) | 36 (83.7) | 74 (83.1) | 0.8886 |
| Insulin-dependent diabetes mellitus, n (%) | 3 (6.5) | 2 (4.7) | 5 (5.6) | 0.7017 |
| BMI >=30 kg/m2, n (%) | 27 (58.7) | 25 (58.1) | 52 (58.4) | 0.9576 |
| Base_low, mean (SD) | 12.8 (12.2) | 10.6 (10.0) | 11.7 (11.2) | 0.5887 |
| Base_high, mean (SD) | 37.3 (45.1) | 35.4 (36.2) | 36.4 (40.7) | 0.6342 |
| pTrend_low, mean (SD) | 14.6 (20.8) | 10.4 (23.0) | 12.6 (21.8) | 0.0802 |
| pTrend_high, mean (SD) | 30.5 (42.8) | 27.8 (54.8) | 29.2 (48.7) | 0.3386 |
| Clip, n | 39 | 36 | 75 | |
| Clip_low, mean (SD) | 10.1 (16.0) | 12.4 (40.5) | 11.2 (30.2) | 0.0858 |
| Clip_high, mean (SD) | 18.7 (18.0) | 22.9 (37.5) | 20.7 (28.9) | 0.6408 |
| End, n | 45 | 39 | 84 | |
| End_low, mean (SD) | 8.6 (11.6) | 8.3 (14.8) | 8.5 (13.1) | 0.2798 |
| End_high, mean (SD) | 45.2 (141.2) | 20.3 (28.4) | 33.7 (105.4) | 0.2778 |
Base_low, low frequency band at baseline; Base_high, high frequency band at baseline;; pTrend_low, low frequency band after achieving reverse Trendelenburg position; pTrend_high, high frequency band after achieving reverse Trendelenburg position; Clip_low, low frequency band after clipping of cystic duct; Clip_high, high frequency band after clipping of cystic duct; End_low, low frequency band at end of procedure; End_high, high frequency band at end of procedure.