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Table 2 Vital signs and arterial blood gas tests at baseline and 1–2 h of HFNC

From: The experience of high-flow nasal cannula in hospitalized patients with 2019 novel coronavirus-infected pneumonia in two hospitals of Chongqing, China

 HFNC success
N = 10
HFNC failure
N = 7
p
Baseline
 RR, breaths/min26 (25–29)23 (21–23)0.02
 HR, beats/min84 (73–97)79 (74–85)0.40
 SBP, mmHg125 (121–138)108 (105–133)0.07
 DBP, mmHg73 (71–78)63 (60–76)0.07
 pH7.43 (7.39–7.47)7.46 (7.44–7.48)0.05
 PaCO2, mmHg38 (35–40)34 (32–36)0.13
 PaO2/FiO2, mmHg223 (161–252)159 (137–188)0.02
 FiO2, %34 (32–41)41 (33–41)0.24
1–2 h of HFNC
 RR, breaths/min23 (22–25)23 (21–23)0.36
 HR, beats/min82 (71–92)85 (78–92)0.91
 SBP, mmHg118 (111–131)110 (106–139)0.73
 DBP, mmHg71 (70–78)65 (63–78)0.36
 pH7.46 (7.42–7.49)7.47 (7.44–7.47)0.41
 PaCO2, mmHg38 (36–39)34 (33–35)0.06
 PaO2/FiO2, mmHg209 (179–376)142 (130–188)0.03
 FiO2, %40 (35–40)40 (40–50)0.06
  1. RR respiratory rate, HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, HFNC high-flow nasal cannula