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Table 3 Comparison of VAS pain scores between naproxen and intracervical block groups

From: Use of naproxen versus intracervical block for pain control during the 52-mg levonorgestrel-releasing intrauterine system insertion in young women: a multivariate analysis of a randomized controlled trial

VAS pain scores Naproxen Block P-value
(n = 49) (n = 51)
VAS pain    p < 0.001
 Mean ± SD 7.3 ± 2.1 5.4 ± 2.8  
 C.I (6.7; 7.9) (4.6; 6.2)  
 Median 8.0 (5.0–9.0) 6.0 (3.0–8.0)  
 Minimum–maximum 3.0–10.0 0.0–10.0  
Pain classification    p = 0.008
 None or mild 3 (6.1) 15 (29.4)  
 Moderate 13 (26.5) 13 (25.5)  
 Severe 33 (67.4) 23 (45.1)