Table 1 Demographic data
Subgroup study | P-value | ||||
|---|---|---|---|---|---|
OC N = 3 | OCE N = 3 | LC N = 3 | LCE N = 3 | ||
Age, years | 61.7 (3.1) | 75.3 (14.8) | 78.0 (11.4) | 70.3 (14.0) | 0.398 |
Gender, (male: female) | 1:2 | 0:3 | 2:1 | 2:1 | 0.363 |
Body mass index, (kg/m2) | 22.7 (0.3) | 21.4 (1.3) | 23.8 (1.6) | 23.3 (0.5) | 0.278 |
Total operative time, minutes | 25.0 (4.0) | 21.7 (7.6) | 33.3 (11.7) | 31.00 (1.0) | 0.258 |
Total cautery time, minutes | 11.0 (2.7) | 8.7 (4.0) | 11.0 (1.7) | 10.0 (1.7) | 0.617 |
Baseline total particle counts (before starting an operation), × 103 counts/m3 | 10,793 (2227) | 13,094 (1012) | 12,956 (3944) | 10,561 (3088) | 0.369 |