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Table 1 Baseline characteristics of study population

From: Evaluation of early postoperative intravenous opioid rescue as a novel quality measure in patients who receive thoracic epidural analgesia: a retrospective cohort analysis and prospective performance improvement intervention

Characteristic

No PACU-OpResc

(n = 743)

PACU-OpResc

(n = 211)

Age (years)

 

62.00 ± 13.34

58.93 ± 12.92

Sex

Male

321 (43.2%)

97 (46.0%)

Female

422 (56.8%)

114 (54.0%)

Height, cm

 

167.77 ± 10.08

168.16 ± 10.12

Weight, kg

 

79.78 ± 22.15

77.66 ± 19.28

BMI, kg/m2

 

28.20 ± 6.91

27.39 ± 6.03

ASA Status

1

14 (1.9%)

1 (0.5%)

2

218 (29.3%)

58 (27.5%)

3

483 (65.0%)

143 (67.8%)

4

28 (3.8%)

9 (4.3%)

Surgical Service

General

409 (55.0%)

120 (56.9%)

Gynecology

146 (19.7%)

28 (13.3%)

Not documented

81 (10.9%)

17 (8.1%)

Thoracic

77 (10.4%)

38 (18.0%)

Vascular

21 (2.8%)

6 (2.8%)

Orthopedics

5 (0.7%)

1 (0.5%)

Plastics

4 (0.5%)

1 (0.5%)

Duration of surgery, min

 

267.00 (184.00, 393.00)

258.00 (188.00, 384.00)

Work RVUs

 

28.78 ± 14.48

27.71 ± 13.48

High SPORC score

 

26 (3.5%)

5 (2.4%)

Preoperative opioid prescription*

 

127 (17.1%)

75 (35.5%)

Intraoperative morphine equivalent dose (mg)

 

12.00 (10.00, 20.00)

15.00 (10.00, 25.00)

PACU morphine equivalent dose (mg)

 

0.00 (0.00, 0.00)

5.00 (2.50, 7.50)

TEA Placement and management

   

Placement in sitting position

 

640 (86.1%)

177 (83.9%)

Midline Approach

 

322 (43.3%)

87 (41.2%)

Documented local anesthetic bolus

 

182 (24%)

66 (31%)

First Case

 

361 (48.6%)

100 (47.4%)

Placement Attempts

1

402 (54.1%)

103 (48.8%)

2

163 (21.9%)

45 (21.3%)

≥3

88 (11.8%)

38 (17.9%)

Not documented

90 (12.1%)

25 (11.8%)

Placement duration, min

 

13.00 ± 8.30

13.72 ± 9.45

Time from surgical Incision to TEA infusion start (minutes)

 

27.60 ± 71.74

31.83 ± 74.59

Epidural infusion during > 50% of case time

 

603 (81.2%)

146 (69.2%)

  1. Data are expressed as mean ± standard deviation, frequency (prevalence in %) or median (interquartile range (25th–75th percentile), values separated by comma). *Opioid prescription within 90 days prior to surgery
  2. ASA American Society of Anesthesiologist; BMI Body Mass Index; PACU Post Anesthesia Care Unit; PACU-OpResc intravenous opioid rescue analgesia in the post anesthesia care unit; RVUs Relative Value Units; SPORC Score of Prediction of postOperative Respiratory complications; TEA Thoracic Epidural Analgesia;