Table 2.
P Values for Differences in Proportions of All Patients With Elevated Serum BDG Values ≥80 pg/mL at Given Sampling Time Points Respective to Intestinal Surgery Time Points
| Proportions of Patients With BDG Values ≥80 pg/mLa | 1, Before Intubation, Before Skin Incision | 2, Just Before Dissection of Intestinal Mucosa | 3, After Completion of Anastomosis | 4, After Completion of Skin Sutures | 5, Evening After Surgeryb | 6, Morning of Day 2 After Surgery | 7, Morning 4–5 Days After Surgeryb | |
|---|---|---|---|---|---|---|---|---|
| Proportions of patients with BDG values ≥80 pg/mLa | - | 6/50 (12%) | 15/50 (30%) | 27/50 (54%) | 29/50 (58%) | 23/48 (48%) | 19/50 (38%) | 7/48 (15%) |
| 1, before intubation, before skin incision | 6/50 (12%) | - | .012 | <.001 | <.001 | <.001 | .001 | 1.000 |
| 2, just before dissection of intestinal mucosa | 15/50 (30%) | - | - | <.001 | .001 | .057 | .424 | .167 |
| 3, after completion of anastomosis | 27/50 (54%) | - | - | - | .687 | .581 | .057 | .001 |
| 4, after completion of skin sutures | 29/50 (58%) | - | - | - | - | .180 | .013 | <.001 |
| 5, evening after surgeryb | 23/48 (48%) | - | - | - | - | - | .219 | .003 |
| 6, morning of day 2 after surgery | 19/50 (38%) | - | - | - | - | - | - | .031 |
P values were calculated by McNemar test. Bold values are significant.
Abbreviation: BDG, 1,3-beta-D Glucan.
a≥80 pg/mL, ie, positive BDG values according to the manufacturer.
bTwo samples each are missing at sample time points 5 and 7.