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Table 3 Effect of CNISD on sleep duration in CHD patients

From: Effects of comprehensive nursing intervention based on self-disclosure on improving alexithymia in elder patients with coronary heart disease

  Usual care CNISD P value
 ≥ 8 h/day 260 (47.4%) 325 (60.1%) 0.0082
4–6 h/day 184 (33.6%) 172 (31.9%) 0.062
 < 4 h/day 104 (19.0%) 43 (8.0%) 0.001
  1. Data are expressed as n (%)