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. 2017 Jun 27;13:739–750. doi: 10.2147/TCRM.S134039

Table 3.

Side effects after 42-week trial

Never
n (%)
Rarely
n (%)
Sometimes
n (%)
Very often
n (%)
Always
n (%)
Fatigue
 SG 8 (16) 12 (24) 14 (28) 16 (32) 0 (0)
 CG 24 (48) 18 (36) 5 (10) 3 (6) 0 (0)
 SCG 10 (20) 16 (32) 15 (30) 8 (16) 1 (2)
 PG 20 (40) 16 (32) 10 (20) 4 (8) 0 (0)
Cough
 SG 20 (40) 10 (20) 15 (30) 5 (10) 0 (0)
 CG 35 (70) 10 (20) 4 (8) 1 (2) 0 (0)
 SCG 25 (50) 12 (24) 11 (22) 2 (4) 0 (0)
 PG 30 (60) 12 (24) 6 (12) 2 (4) 0 (0)
Headache
 SG 16 (32) 8 (16) 20 (40) 4 (8) 2 (4)
 CG 27 (54) 17 (34) 5 (10) 1 (2) 2 (4)
 SCG 19 (38) 10 (20) 15 (30) 4 (8) 2 (4)
 PG 25 (50) 15 (30) 7 (14) 2 (4) 2 (4)
Hypoglycemia
 SG 22 (44) 10 (20) 9 (18) 6 (12) 3 (6)
 CG 30 (60) 14 (28) 3 (6) 2 (4) 1 (2)
 SCG 26 (52) 12 (24) 9 (18) 2 (4) 1 (2)
 PG 31 (62) 15 (30) 1 (2) 2 (4) 1 (2)
Loss of consciousness
 SG 29 (58) 10 (20) 11 (22) 0 (0) 0 (0)
 CG 33 (66) 12 (24) 5 (10) 0 (0) 0 (0)
 SCG 34 (68) 10 (20) 6 (12) 0 (0) 0 (0)
 PG 36 (72) 12 (24) 2 (4) 0 (0) 0 (0)
Constipation
 SG 16 (32) 12 (24) 10 (20) 9 (18) 2 (4)
 CG 20 (40) 16 (32) 10 (20) 4 (8) 1 (2)
 SCG 18 (36) 15 (30) 10 (20) 5 (10) 2 (4)
 PG 19 (38) 17 (34) 12 (24) 1 (2) 1 (2)
Nausea
 SG 25 (50) 15 (30) 6 (12) 2 (4) 2 (4)
 CG 32 (64) 14 (28) 4 (8) 0 (0) 0 (0)
 SCG 28 (56) 16 (32) 3 (6) 2 (4) 1 (2)
 PG 38 (76) 11 (22) 1 (2) 0 (0) 0 (0)
Vomiting
 SG 26 (52) 11 (22) 7 (14) 4 (8) 2 (4)
 CG 38 (76) 9 (18) 3 (6) 0 (0) 0 (0)
 SCG 35 (70) 10 (20) 5 (10) 0 (0) 0 (0)
 PG 40 (80) 8 (16) 2 (4) 0 (0) 0 (0)
Diarrhea
 SG 20 (40) 15 (30) 8 (16) 4 (8) 3 (6)
 CG 24 (48) 16 (32) 5 (10) 3 (6) 2 (4)
 SCG 22 (44) 14 (28) 9 (18) 4 (8) 1 (2)
 PG 32 (64) 10 (20) 4 (8) 3 (6) 1 (2)

Notes: Before the experiments, all patients had no side effects. There are significant statistic differences at P<0.05.

Abbreviations: SCG, sitagliptin and chitosan oligosaccharide group; CG, chitosan oligosaccharide group; SG, sitagliptin group; PG, placebo group; SD, standard deviation.