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Table 4 Confidence intervals in swelling

From: Low‐level laser therapy using laser diode 940 nm in the mandibular impacted third molar surgery: double-blind randomized clinical trial

  Mean ± SD 95% CI
Upper limit Lower limit
Laser 152.4 ± 1.55 155.517 149.283
Placebo 154.08 ± 1.55 157.197 150.963