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Table 1 Patient demographics and baseline characteristics in intent-to-treat population

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

Characteristic

NTG 0.4%

Placebo

Pvalue (2-sided)*

(n = 123)

(n = 124)

Mean age, y (SD)

46.5 (12.6)

43.4 (13.2)

.057

Male, n (%)

65 (52.8)

66 (53.2)

1

Race, n (%)

  

.640

  White

99 (80.5)

96 (77.4)

 

  Black

21 (17.1)

16 (12.9)

 

Baseline VAS, n (%)

  

.899

  Moderate 50–69 mm

57 (46.3)

59 (47.2)

 

  Severe ≥70 mm

66 (53.7)

65 (52.0)

 

Most common medical conditions, n (%) (≥20 patients in either treatment group)

   

 Gastrointestinal disorders

   

  Constipation

29 (23.6)

28 (22.6)

.881

  Hemorrhoids

27 (22.0)

23 (18.5)

.530

  Gastroesophageal reflux disease

20 (16.3)

17 (13.7)

.597

 Other disorders

   

  Drug hypersensitivity

26 (21.1)

18 (14.5)

.187

  Hypertension

38 (30.9)

29 (23.4)

.200

  Hypercholesterolemia

23 (18.7)

15 (12.1)

.162

  1. NTG nitroglycerin, SD standard deviation, VAS visual analog scale.
  2. *Fisher’s exact test used for all between-group comparisons except age, which was compared using t test.