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Table 1 Clinical and laboratory data of the initially enrolled 52 patients at the commencement of the study

From: Retrospective study revealed that Zn relate to improvement of swallowing function in the older adults

Type of variable Distributions (mean ± SD or median [IQR])
Male: Female 15: 37
Age 86.6 ± 7.2 years old
Body weight 46.2 ± 10.2 kg
PS 2 n = 3 (5.8%)
PS 3 n = 6 (11.5%)
PS 4 n = 43 (82.7%)
S-SRT a 5.3 s [2.9–23.0 s]
Swallow with 0.4 cc 39 / 52 (75.0%)
Swallow with 2.0 cc b 11 / 13 (84.6%)
Serum laboratory data
 Zinc level 59.3 ± 11.2 μg/dL
 Albumin level 3.4 ± 0.4 g/dL
 Total protein level 6.4 ± 0.6 g/dL
 Total cholesterol 182.8 ± 34.1 mg/dL
 White blood cell count 6072 ± 2143 /μL
  1. Abbreviations: IQR interquartile range (25–75 percentile range), PS performance status, SD standard deviation, S-SPT simple 2-step swallow provocation test
  2. a S-SPT time in those who required 2.0 cc to swallow (n = 13) were converted by adding 30 s to their total time
  3. b Prevalence of swallow provocation with 2.0 cc of water was among those who did not swallow with 0.4 cc of water