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. 2015 Feb 3;35(1):125–133. doi: 10.1007/s40846-015-0015-x

Table 4.

Extended results for OFF/ON and ON/OFF dialysis transitions of >10 h with inverted S I confounders (t = −2 to t = 10, N = 26)

Time t (hr) OFF/ON (N = 26), expect ΔS I < 0 ON/OFF (N = 26), expect ΔS I > 0
QI (%) Q2 (%) Q3 (%) p value ΔS I > 0 % (confounders) Q1 (%) Q2 (%) Q3 (%) p value ΔS I < 0 % (confounders)
−2 −4 3 13 0.9 16 62 −15 −6 1 0.7 19 73
−1 0 0 0 1 0 0 0 0 0 1 0 0
0 −25 −10 −2 0.4 4 15 −5 3 9 0.8 10 28
1 −44 −23 −4 0.1 3 12 −7 8 17 0.8 11 42
2 −56 −30 −6 0.09 2 8 −8 13 32 0.6 9 35
3 −55 −19 −2 0.09 6 23 −4 18 42 0.3 9 35
4 −53 −24 −4 0.1 4 15 −13 14 36 0.3 10 28
5 −53 −29 −8 0.08 4 15 −12 22 44 0.2 10 28
6 −44 −25 −8 0.1 4 15 −6 23 47 0.1 8 31
7 −40 −21 −9 0.07 3 12 −5 18 50 0.07 7 27
8 −51 −25 −10 0.04 2 8 −5 19 39 0.07 7 27
9 −47 −18 −7 0.04 1 4 −6 22 38 0.07 8 31
10 −45 −12 −3 0.09 5 19 −4 22 41 0.08 8 31

The results show ΔS I quartiles and number of confounders with ΔS I in direction opposite to median trend hypothesized. Q2 = median = 50 % percentile result. * p values measured using Wilcoxon rank sum tests, Q1 = 25 % percentile, Q3 = 75 % percentile