Extubation process in bed-ridden elderly intensive care patients receiving inspiratory muscle training: a randomized clinical trial

Figures & data

Table 1 Baseline characteristics of patients in the study

	Experimental group (n = 14)	Control group (n = 14)
Age, years	82 (SD 4)	81 (SD 6)
Gender
Male	6 (42.86%)	7 (50.00%)
Female	8 (57.14%)	7 (50.00%)
Weight, kg	68 (SD 4.2)	66 (SD 5.9)
OTT (n)
7.0	2 (14.28%)	1 (7.14%)
7.5	8 (57.15%)	7 (50.00%)
8.0	8 (57.15%)	7 (50.00%)
APACHE II, score	19 (SD 8)	20 (SD 6)
Causes of ARF
Postoperative	2 (14.28%)	1 (7.14%)
Pneumonia	8 (57.15%)	7 (50.00%)
Aspiration	3 (21.43%)	4 (28.58%)
Trauma	0 (0.00%)	1 (7.14%)
Sepsis	1 (7.14%)	1 (7.14%)

Abbreviations: OTT, orotracheal tube; APACHE, Acute Physiology and Chronic Health Evaluation; ARF, acute respiratory failure; SD, standard deviation.

Table 2 Results of descriptive statistics and inferential analysis of predictors of weaning

	Pretest	Post-test
TI
EG	73.64 ± 8.8	79.71 ± 11.21†
CG	81.5 ± 6.9	95.86 ± 12.40*
MIP
EG	15.14 ± 2.57	25.00 ± 3.90*,†
CG	15.29 ± 2.16	17.57 ± 1.95

Notes:

* P < 0.05, pretest versus post-test;

† P < 0.05; post-test EG versus pretest.

Abbreviations: TI, Tobin index (ipm/L); MIP, maximum inspiratory pressure (cm H₂O); CG, control group; EG, experimental group.

Figure 1 Evaluation of extubation.

Abbreviations: EG, experimental group; CG, control group.

Figure 2 Time on noninvasive positive pressure.

Note:*P < 0.05.

Figure 3 Receiver-operating characteristic curve for Tobin index.

Figure 4 Receiver-operating characteristic curve of maximum inspiratory pressure.