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Table 2 Highest Grade AE experienced by duration of fast

From: Is fasting safe? A chart review of adverse events during medically supervised, water-only fasting

AE Grade, n (%)

 

none

1

2

3

4

5

Fasting (Spearman’s ρ = 0.24, p < 0.001)

Short

62 (13.9)

136 (30.5)

159 (35.7)

89 (20)

0 (0.0)

0 (0.0)

Medium

10 (4.2)

61 (25.6)

108 (45.4)

58 (24.4)

1 (0.4)

0 (0.0)

Long

0 (0.0)

7 (10.9)

32 (50)

25 (39.1)

0 (0.0)

0 (0.0)

Extended

0 (0.0)

2 (10)

6 (30)

12 (60)

0 (0.0)

0 (0.0)

Total

72 (9.4)

206 (26.8)

305 (39.7)

184 (24)

1 (0.1)

0 (0.0)

Refeeding (Spearman’s ρ = 0.23, p < 0.001)

Short

133 (29.8)

181 (40.6)

98 (22)

34 (7.6)

0 (0.0)

0 (0.0)

Medium

39 (16.4)

108 (45.4)

69 (29)

21 (8.8)

1 (0.4)

0 (0.0)

Long

2 (3.1)

24 (37.5)

25 (39.1)

13 (20.3)

0 (0.0)

0 (0.0)

Extended

0 (0.0)

7 (35)

8 (40)

5 (25)

0 (0.0)

0 (0.0)

Total

174 (22.7)

320 (41.7)

200 (26)

73 (9.5)

1 (0.1)

0 (0.0)

Entire period (Spearman’s ρ = 0.22, p < 0.001)

Short

43 (9.6)

125 (28)

175 (39.2)

103 (23.1)

0 (0.0)

0 (0.0)

Medium

7 (2.9)

58 (24.4)

106 (44.5)

66 (27.7)

1 (0.4)

0 (0.0)

Long

0 (0.0)

3 (4.7)

32 (50)

29 (45.3)

0 (0.0)

0 (0.0)

Extended

0 (0.0)

1 (5)

5 (25)

14 (70)

0 (0.0)

0 (0.0)

Total

50 (6.5)

187 (24.3)

318 (41.4)

212 (27.6)

1 (0.1)

0 (0.0)

  1. Short, 2–7 fasting days; Medium, 8–14 fasting days; Long, 15–21 fasting days; Extended, 22+ fasting days