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Table 5 Sensitivity of scale to analgesia

From: Validation of three pain scales among adult postoperative patients in Ghana

Scales Pretest Posttest Mean difference (95%CL) T P-value
N = 150 N = 150 Pretest-Posttest
S1 7.2 ± 1.4 4.9 ± 1.3 2.3 (2.1–2.5) 24.5 <0.001
S2 3.3 ± 1.1 1.79 ± 0.7 1.5 (1.4–1.6) 22.7 <0.001
S3 3.1 ± 0.9 1.73 ± 0.7 1.4 (1.3–1.5) 24.0 <0.001