Table 2 Patient, surgical and TVI characteristics for each TVI expression pattern

Total Profiles

891

2931

1474

Total Patients

857

2554

1291

% Repeat surgery (95% CI)

3.8 (2.7–5.3)

12.9 (11.7–14.1)

12.4 (10.8–14.2)

% ASA Physical Status 1 (95% CI)

5.2 (3.8–6.9)

4.6 (3.9–5.5)

3.9 (3.0–5.1)

% ASA Physical Status 2 (95% CI)

36.8 (33.7–40.1)

29.6 (28.0–31.3)

22.7 (20.6–25.0)

% ASA Physical Status 3 (95% CI)

51.1 (47.8–54.5)

49.0 (47.2–50.9)

44.4 (41.9–47.0)

% ASA Physical Status 4 (95% CI)

6.7 (5.2–8.6)

16.1 (14.8–17.5)

27.3 (25.0–29.6)

% ASA Physical Status 5 (95% CI)

0.1 (0.0–0.7)

0.6 (0.3–0.9)

1.6 (1.1–2.5)

% Emergent Surgery (95% CI)

5.8 (4.4–7.6)

10.5 (9.5–11.7)

12.8 (11.2–14.7)

Mean Age (95% CI)

52.0 (50.9–53.1)

53.7 (53.1–54.4)

54.5 (53.6–55.3)

% Male Gender (95% CI)

56.9 (53.6–60.2)

53.4 (51.6–55.2)

52.7 (50.1–55.3)

Most common surgical specialty (%)

1. General (35)

2. Orthopedic (20)

3. Thoracic (11)

1. General (32)

2. Orthopedic (19)

3. Thoracic (10)

1. General (29)

2. Orthopedic (16)

3. Cardiac (16)

Most common primary procedure (%)

1. Irrigation and Debridement of Wound (5.5)

2. Exploratory Laparotomy (3.7)

3. Anterior Spine Cervical Discectomy and Internal Fusion/Fixation (3.6)

1. Irrigation and Debridement of Wound (11.9)

2. Exploratory Laparotomy (4.4)

3. Esophagus Dilatation (2.8)

1. Irrigation and Debridement of Wound (10.0)

2. Exploratory Laparotomy (7.4)

3. Aortic Valve Replacement/Repair (2.7)

Median Length of Procedure, hr. (95% CI)

2.5 (2.4–2.7)

1.4 (1.3–1.5)

2.0 (1.9–2.2)

Mean MAP, mmHg (95% CI)

86.5 (86.3–86.6)

82.3 (82.2–82.4)

76.6 (76.5–76.7)

Mean MAP, z-score (95% CI)

0.22 (0.22–0.23)

−0.02 (−0.02-(−0.01))

−0.34 (− 0.35-(− 0.33))

Mean BIS (95% CI)

45.3 (45.2–45.4)

41.8 (41.7–41.8)

38.0 (37.9–38.1)

Mean BIS, z-score (95% CI)

0.38 (0.37–0.39)

0.04 (0.03–0.05)

−0.31 (− 0.32-(− 0.31))

Mean MAC (95% CI)

0.980 (0.977–0.982)

0.817 (0.815–0.819)

0.666 (0.664–0.668)

Mean MAC, z-score (95% CI)

0.56 (0.55–0.56)

− 0.01 (− 0.02-(− 0.01))

0.54 (0.55-(− 0.53))

Mean TVI (95% CI)

1.21 (1.19–1.23)

0.01 (− 0.01–0.02)

−1.25 (−1.27-(−1.24))

Median TVI values per profile (Q1-Q3)

12 (9–18)

7 (4–11)

10 (6–14)