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. 2019 Apr 11;20:214. doi: 10.1186/s13063-019-3327-2

Table 6.

Summary of adverse reactions in each treatment group

Adverse reactions Curcumina
(N = 70)
Diclofenacb
(N = 69)
RR RRLB RRUB NNT
n (%) n (%)
Total number of patients experiencing AEs* 9 (13%) 26 (38%)
Dyspepsia 0 6 (8.7%) 0.08** 0 1.3 12
Nausea 6 (9%) 7 (10.14%) 0.8 0.3 2.4 64
Vomiting 0 7 (10.14%) 0.07** 0 1.1 10
Diarrhea 5 (7%) 8 (11.6%) 0.6 0.2 1.8 23
Constipation 0 6 (8.7%) 0.08** 0 1.3 12
Abdominal pain/acidity 0 19 (27.53%) 0.03** 0 0.4*** 4
Flatulence 0 9 (13.04%) 0.05** 0 0.9*** 8
Upper respiratory tract infection 0 5 (7.25%) 0.09** 0 1.6 14

Values are expressed as absolute number of patients (percentage) in each category

Abbreviations: a treatment group, b control group, n number of patients in each category, N total number of patients in each treatment group, NNT number needed to treat, RR relative risk, RRLB relative risk lower boundary, RRUB relative risk upper boundary

*P <0.01 for curcumin versus diclofenac

**Clinically significant adverse event (AE) (RR <0.5)

***Statistically significant AE (95% confidence interval does not include 1)