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Table 1 Rates of overall death, intubation, no intubation, death with and without intubation in patients treated with noninvasive ventilation

From: A scoring system derived from electronic health records to identify patients at high risk for noninvasive ventilation failure

Diagnosis

Entire cohort

Death overall

Intubation

Death after intubation

No. intubation

Death without intubation

p-value*

N (column %)

Row %

Row %

Row %

Row %

Row %

Total number of patients

47,749 (100)

5,150 (10.8)

5,572 (11.7)

1,402 (25.2)

42,177 (88.3)

3,748 (8.9)

 

COPD/ASTHMA

8346 (17.5)

470 (5.6)

941 (11.3)

155 (16.5)

7405 (88.7)

315 (4.3)

 < 0.001

CHF

4896 (10.3)

336 (6.9)

351 (7.2)

90 (25.6)

4545 (92.8)

246 (5.4)

 < 0.001

AMI

10,820 (22.7)

663 (6.1)

424 (3.9)

145 (34.2)

10,396 (96.1)

518 (5.0)

 < 0.001

Pneumonia/sepsis

11,219 (23.5)

2331 (20.8)

2028 (18.1)

686 (33.8)

9191 (81.9)

1645 (17.9)

 < 0.001

Neuro non-stroke

1672 (3.5)

85 (5.1)

304 (18.2)

20 (6.6)

1368 (81.8)

65 (4.8)

0.19

Stroke

1832 (3.8)

597 (32.6)

384 (21.0)

137 (35.7)

1448 (79.0)

460 (31.8)

0.15

Substance abuse/psychosis

2469 (5.2)

153 (6.2)

723 (29.3)

53 (7.3)

1746 (70.7)

100 (5.7)

0.13

Other diagnoses

6495 (13.6)

515 (7.9)

417 (6.4)

116 (27.8)

6078 (93.6)

399 (6.6)

 < 0.001

  1. *Chi-square test testing for association between death after intubation and death without intubation within each principal diagnosis group