Unsedated transnasal small-caliber esophagogastroduodenoscopy in elderly and bedridden patients

Table 1 Characteristics of patients enrolled in Study 1 (mean ± SD)

	TN group	TO group	P value
Age (range, yr)	77.0 ± 7.7 (65-97)	76.7 ± 7.2 (65-95)	NS
Gender (M:F)	30:66	53:49	NS
Total procedure time (min)	8.46 ± 4.32	6.03 ± 2.50	0.001
Baseline cardiopulmonary parameters
Systolic BP	131.4 ± 19.3	135.4 ± 21.8	NS
Diastolic BP	67.6 ± 12.3	70.5 ± 12.8	NS
RPP	100.2 ± 27.4	98.82 ± 25.7	NS
SpO2	98.1 ± 1.4	98.2 ± 1.4	NS

NS: Not significant; M: Male; F: Female.

Table 2 Characteristics of patients enrolled in Study 2 (mean ± SD)

	TN-TO group	TO-TN group	P value
Age (yr)	84.3 ± 7.9	80.7 ± 15.8	NS
Gender (M:F)	3:12	4:11	NS
Background pathological condition for PEG feeding
Cerebral infarction	10	11
Cerebral hemorrhage	2	3
Subarachnoid hemorrhage	1	0
Others	2	1

Table 3 The results in total 30 endoscopic procedures (mean ± SD)

	TN-EGD	TO-EGD	P value
Total procedure time (min)	4.36 ± 3.46	4.42 ± 3.18	NS
Baseline cardiopulmonary parameter
Systolic BP	125.5 ± 25.3	122.6 ± 28.4	NS
Diastolic BP	70.1 ± 17.8	64.9 ± 20.1	NS
RPP	107.7 ± 44.6	101.3 ± 37.9	NS
SpO2	98.7 ± 1.7	95.4 ± 17.5	NS