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Table 2 Drug use and cravings during phases of the study (mean ± SD)

From: Effects of transcutaneous electric acupoint stimulation on drug use and responses to cue-induced craving: a pilot study

  Mean ± SD 95% confidence interval
Cocaine use
Baseline 1.22 ± 1.1 [−0.34, 2.8]
Sham 0.9 ± 1.3 [−0.58, 2.4]
TEAS 2.17 ± 3.2 [0.69, 3.6]
Cocaine cravings
Baseline 6.7 ± 2.8 [4.5, 8.9]
Sham 4.8 ± 3.3 [2.7, 6.9]
TEAS 5.96 ± 2.9 [3.8, 8.0]
Marijuana use
Baseline 4.6 ± 2.7 [2.7, 6.4]
Sham 4.9 ± 2.7 [3.4, 6.5]
TEAS 4.6 ± 2.2 [3.1, 6.2]
Marijuana cravings
Baseline 6.8 ± 1.8 [5.7, 7.9]
Sham 7.1 ± 1.1 [6.2, 8.2]
TEAS 6.3 ± 1.7 [5.4, 7.4]