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Table 5 Results of the interaction analysis and subgroup analysis

From: Association between preoperative serum sodium and postoperative 30-day mortality in adult patients with tumor craniotomy

Characteristic

No of participants

OR (95% CI)

P for interaction

Sex

  

0.5130

Male

8492

0.960 (0.927, 0.994)

 

Female

9352

0.977 (0.937, 1.020)

 

Severe COPD

  

0.9466

No

17,028

0.965 (0.937, 0.994)

 

Yes

816

0.962 (0.884, 1.047)

 

Hypertension

  

0.4143

No

10,933

0.954 (0.913, 0.996)

 

Yes

6911

0.976 (0.943, 1.011)

 

Disseminated cancer

  

0.4315

No

13,919

0.974 (0.940, 1.010)

 

Yes

3925

0.953 (0.915, 0.993)

 

Steroid use for a chronic condition

  

0.7373

No

15,135

0.969 (0.938, 1.002)

 

Yes

2709

0.960 (0.914, 1.007)

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