Marital quality predicts hospital stay following coronary artery bypass surgery for women but not men.

This study examined how two indices of spouse support, one relatively general and chronic (perceived overall marital quality), and one relatively situation-specific and acute (spouse support while in the hospital), separately and in interaction with patient gender, predict postoperative length of stays following major (coronary bypass) surgery. In a sample of 226 male and 70 female patients drawn from three hospitals in the San Diego area, California, the results indicated that marital quality, in combination with patient gender, predicted postoperative lengths of stay, such that relatively poor marital relationships elevated risk for longer stays for female but not male patients. Lengths of stay for female patients with higher quality marital relationships were similar to those of male patients (regardless of marital quality). These results were not attributable to any assessed preoperative differences in patient health and were independent of perceptions of spouse support received while in the hospital, which did not independently predict patients' lengths of stay.