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Table 3 Subgroup comparison of different preliminary COVID-19 screening results

From: Management protocol for emergency aneurysm craniotomy clipping in non-major COVID-19 epidemic areas in Beijing, China

Characteristics

Normal (conventional OR)

Mild suspected (conventional OR)

Mild suspected (negative pressure OR)

P valuea

No. of patients

34

6

2

 

Duration between admission and craniotomy, hours

38.5 ± 17.6

32.8 ± 7.4

25.5 ± 23.3

0.456

Preoperative adverse events during hospitalization

 Rebleeding

0 (0.0)

0 (0.0)

0 (0.0)

> 0.99

 Infarction

0 (0.0)

0 (0.0)

0 (0.0)

> 0.99

 Epilepsy

1 (2.9)

1 (16.7)

0 (0.0)

0.438

Duration of surgery, h

3.4 ± 0.9

3.3 ± 0.9

5.5 ± 0.0

0.007*

Intraoperative blood loss, ml

233.8 ± 136.9

200.0 ± 154.9

900 ± 848.5

< 0.001*

Mean hospital LOS, days

13.8 ± 7.3

19.3 ± 15.6

20.5 ± 0.7

0.250

Hospitalization cost, dollarsb

12,695.9 ± 5226.2

17,568.7 ± 10,863.7

12,560.6 ± 397.0

0.290

Postoperative complications

 Postoperative hemorrhage

0 (0.0)

0 (0.0)

0 (0.0)

> 0.99

 Postoperative DCI

9 (26.5)

3 (50.0)

1 (50.0)

0.453

 Postoperative DVT

9 (26.5)

1 (16.7)

0 (0.0)

0.497

 Postoperative intracranial infection

3 (8.8)

2 (33.3)

0 (0.0)

0.255

Discharge mRS score

 Mean

1.9 ± 1.6

2.2 ± 1.7

1.0 ± 1.4

0.678

 0–2

23 (67.6)

4 (66.7)

2 (100.0)

0.466

 3–6

11 (32.4)

2 (33.3)

0 (0.0)

  1. Values are numbers of cases (%) unless otherwise indicated. Mean values are presented with SDs
  2. aSAH aneurysmal subarachnoid hemorrhage, COVID-19 coronavirus disease 2019, DCI delayed cerebral ischemia, DVT deep vein thrombosis, LOS length of stay, mRS modified Rankin Scale, OR operating room
  3. aP values indicate differences among different preliminary COVID-19 screening result, and P less than 0.05 was considered statistically significant
  4. bThe exchange rate between RMB and USD is 1 USD = 7.0942 RMB
  5. *Statistical significance (p < 0.05)