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Table 2 Absolute change from baseline in 24-hour average pain response for days 14-18: LOCF/BOCF hybrid analysis

From: Nitroglycerin 0.4% ointment vs placebo in the treatment of pain resulting from chronic anal fissure: a randomized, double-blind, placebo-controlled study

 

NTG 0.4%

Placebo

Difference

(n = 123)

(n = 124)

NTG 0.4% – Placebo

Day 0 (baseline)

   

  Mean (SD)

72.7 (14.5)

73.0 (13.2)

 

  Median (range)

73.0 (13, 100)

71.5 (51, 100)

 

Days 14–18

   

  Mean (SD)

30.7 (26.6)

37.8 (27.8)

 

  Median (range)

20.6 (0, 94)

35.5 (0, 97)

 

Change from baseline

   

  Mean (SD)

−42.0 (26.5)

−35.2 (27.4)

 

  Median

−45.2 (−91, 18)

−36.0 (−95, 12)

 

Adjusted mean (SE)

−43.7 (3.0)

−36.7 (2.9)

−7.0 (3.3)

95% CI

  

−13.6, –0.4

P value

  

.038

  1. BOCF baseline observation carried forward, CI confidence interval, LOCF last observation carried forward, NTG nitroglycerin, SD standard deviation, SE standard error.