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Table 2 Comparison between the C group and D group according to HR, MAP, and SpO2

From: Dexamethasone as a bupivacaine adjuvant for ultrasound-guided interscalene brachial plexus block: a prospective randomized study

Time Group D (N = 22) Group C (N = 23) P value Effect of group D relative to group C
Mean ± SE 95% CI
Heart rate (beats/min), mean ± SD
 Baseline 78.3 ± 14.0 76.1 ± 19.4 ^0.661 2.2 ± 5.1 − 8.0–12.4
 Sk. Inc. 65.2 ± 8.8 66.8 ± 15.6 ^0.677 − 1.6 ± 3.8 − 9.3–6.1
 1/2 h 65.9 ± 8.5 66.5 ± 15.2 ^0.869 − 0.6 ± 3.7 − 8.1–6.8
 1 h 65.9 ± 7.8 67.2 ± 13.4 ^0.703 − 1.3 ± 3.3 − 7.9–5.4
 1 1/2 h 64.8 ± 8.1 67.8 ± 14.5 ^0.391 − 3.1 ± 3.5 − 10.2–4.1
 2 h 66.4 ± 8.3 67.5 ± 12.2 ^0.724 − 1.1 ± 3.1 − 7.4–5.2
 PACU 73.6 ± 7.7 76.5 ± 16.3 ^0.456 − 2.9 ± 3.8 − 10.6–4.8
 After 1 h PO 73.6 ± 7.7 76.5 ± 16.3 ^0.456 − 2.9 ± 3.8 − 10.6–4.8
 After 2 h PO 72.7 ± 7.8 74.6 ± 10.5 ^0.501 − 1.9 ± 2.8 − 7.5–3.7
 After 6 h PO 73.0 ± 9.7 75.8 ± 12.5 ^0.403 − 2.8 ± 3.3 − 9.6–3.9
 After 12 h PO 74.5 ± 9.1 91.3 ± 12.0 ^0.041* − 6.7 ± 3.2 − 13.1–0.3
 After 24 h PO 76.1 ± 9.2 82.0 ± 8.2 ^0.031* − 5.8 ± 2.6 − 11.1–0.6
Mean blood pressure (mmHg), mean ± SD
 Baseline 102.5 ± 13. 95.1 ± 11.3 ^0.053 7.4 ± 3.7 − 0.1–14.9
 Sk. Inc. 88.9 ± 9.4 81.1 ± 16.3 ^0.057 7.8 ± 4.0 − 0.3–15.8
 1/2 h 88.9 ± 9.4 81.1 ± 16.3 ^0.057 7.8 ± 4.0 − 0.3–15.8
 1 h 88.9 ± 9.4 81.1 ± 16.3 ^0.057 7.8 ± 4.0 − 0.3–15.8
 1 1/2 h 88.9 ± 9.4 81.1 ± 16.3 ^0.057 7.8 ± 4.0 − 0.3–15.8
 2 h 88.9 ± 9.4 81.1 ± 16.3 ^0.057 7.8 ± 4.0 − 0.3–15.8
 PACU 88.9 ± 9.4 81.1 ± 16.3 ^0.057 7.8 ± 4.0 − 0.3–15.8
 After 1 h PO 96.5 ± 8.3 96.3 ± 9.9 ^0.956 0.2 ± 2.7 − 5.3–5.6
 After 2 h PO 95.9 ± 8.2 95.1 ± 8.6 ^0.758 0.8 ± 2.5 − 4.3–5.8
 After 6 h PO 96.3 ± 5.8 95.0 ± 8.6 ^0.566 1.3 ± 2.2 − 3.2–5.7
 After 12 h PO 95.9 ± 8.8 101.9 ± 8.8 ^0.025* − 6.0 ± 2.6 − 11.3–0.8
 After 24 h PO 95.6 ± 9.7 102.8 ± 8.4 ^0.010* − 7.2 ± 2.7 − 12.7–1.8
Oxygen saturation (SpO2%), mean ± SD
 Baseline 98.9 ± 0.9 98.8 ± 1.0 ^0.766 0.1 ± 0.3 − 0.5–0.6
 Sk. Inc. 99.3 ± 0.7 98.8 ± 1.0 ^0.073 0.5 ± 0.3 0.0–1.0
 1/2 h 99.3 ± 0.7 98.8 ± 1.0 ^0.073 0.5 ± 0.3 0.0–1.0
 1 h 99.3 ± 0.7 98.8 ± 1.0 ^0.073 0.5 ± 0.3 0.0–1.0
 1 1/2 h 99.3 ± 0.7 98.8 ± 1.0 ^0.073 0.5 ± 0.3 0.0–1.0
 2 h 99.3 ± 0.7 98.8 ± 1.0 ^0.073 0.5 ± 0.3 0.0–1.0
 PACU 99.2 ± 0.7 99.0 ± 0.9 ^0.331 0.2 ± 0.2 − 0.2–0.7
 After 1 h PO 99.2 ± 0.7 99.0 ± 0.9 ^0.331 0.2 ± 0.2 − 0.2–0.7
 After 2 h PO 99.2 ± 0.7 98.9 ± 0.9 ^0.212 0.3 ± 0.2 − 0.2–0.8
 After 6 h PO 99.2 ± 0.7 98.7 ± 0.9 ^0.052 0.5 ± 0.2 0.0–1.0
 After 12 h PO 99.2 ± 0.7 98.8 ± 0.8 ^0.074 0.4 ± 0.2 0.0–0.8
 After 24 h PO 99.2 ± 0.7 98.8 ± 0.8 ^0.051 0.4 ± 0.2 0.0–0.9
  1. ^Independent t test
  2. *Significant